Coalinga Range in California. At dawn we could clearly see 7mm and .30 Cal bullet holes at 1000 yards.
While attending the CA Long Range Championship a few seasons back, we had the opportunity to test the performance of a high-magnification (63X) spotting scope in near-ideal conditions (maybe the best I’ve ever witnessed). On the event’s last day we arrived at 5:45 am, literally as the sun was cresting the horizon. I quickly deployed our Pentax PF-100ED spotting scope, fitted with a Pentax SMC-XW 10mm fixed-power eyepiece. When used with the 100mm Pentax scope, this 10mm eyepiece yields 63X magnification. Befitting its $299.00 price, this eyepiece is extremely clear and sharp.
At the crack of dawn, viewing conditions were ideal. No mist, no mirage, no wind. The first thing this Editor noticed was that I could see metal nail heads on the target boards. That was astonishing. As soon as the first practice targets went up, to my surprise, I could see 6.5mm, 7mm, and 30-caliber bullet holes in the white at 1000 yards. No lie…
That’s right, I could see bullet holes at 1000. I know many of you folks may not believe that, but there was no mistaking when I saw a 7mm bullet cut the white line separating the Nine Ring and Eight Ring on the target in view. (I was watching that target as the shot was fired and saw the shot-hole form). And when I looked at the 30-cal targets, the bullet holes in the white were quite visible. In these perfect conditions I could also make out 3/8″ bolt heads on the target frames.
The Human Factor — Good Vision Required
When viewing the bullet holes, I was using my left naked eye (no safety glasses or magnification). I also had a contact lens in my right eye (needed for distance vision). To my surprise, while I could see the bullet holes without much difficulty with my left eye, things were fuzzier and slightly more blurry with the right eye, even when I re-focused the scope. That contact lens was degrading the fine resolution.
Then I invited 3 or 4 shooters to look through the scope. One younger guy, with good eyes, said immediately: “Yeah, I can see the holes — right there at 4 o’clock and seven o’clock. Wow.” Some older guys, who were wearing glasses, could not see the holes at all, no matter what we did to the scope’s main focus and diopter adjustment.
The lesson here — if you have to wear glasses or corrective contact lenses, just that extra bit of optical interference may make a difference in what you can see through the scope. Basically anything that goes between the scope eyepiece and your eyeball can degrade the image somewhat. So… you may be better off removing your glasses if you can still obtain good focus sharpness using the diopter adjustment and focus ring. I did the left vs. right eye test a half dozen times, and I could definitely see small features at 1000 yards with my naked eye that I could not see with my right eye fitted with a contact lens. (I did have to re-focus the scope for each eye, since one had a corrective lens while the other did not.)
Mirage Degrades Image Sharpness and Resolution
The “magic light” prevailed for only an hour or so, and then we started to get some mirage. As soon as the mirage appeared I was no longer able to see raw bullet holes, though I could still easily see black pasters on the black bulls. When the mirage started, the sharpness of the visible image degraded a huge amount. Where I could see bullet holes at dawn, by mid-morning I could barely read the numbers on the scoring rings. Lesson: If you want to test the ultimate resolution of your optics, you need perfect conditions.
Chromatic Aberration Revealed
As the light got brighter and the mirage increased I started to see blue and red fringing at the edges of the spotting disk and the large numerals. This was quite noticeable. On one side of the bright, white spotting disc you could see a dark red edge, while on the other side there was a blue edge (harder to see but still present).
The photo below was taken through the Pentax spotter lens using a point and shoot camera held up to the eyepiece. The sharpness of the Pentax was actually much better than this photo shows, but the through-the-lens image does clearly reveal the red and blue fringing. This fringing is caused by chromatic aberration — the failure of a lens to focus all colors to the same point. Chromatic aberration, most visible at high magnification, causes different wavelengths of light to have differing focal lengths (see diagram). Chromatic aberration manifests itself as “fringes” of color along boundaries that separate dark and bright parts of the image, because each color in the optical spectrum cannot be focused at a single common point on the optical axis. Keep in mind that the Pentax does have “ED” or low-dispersion glass, so the effect would be even more dramatic with a cheaper spotting scope.
If you wonder why top-of-the-line spotting scopes (such as the $3470 Swarovski ATS-80 ) cost so much, the answer is that they will deliver even LESS chromatic aberration at long range and high magnification. With their exotic apochromatic (APO), ultra-low-dispersion glass, a few ultra-high-end spotting scopes can deliver an image without the color edging you see in the photo above.
The Pentax PF-100ED is a heck of a spotting scope. Any scope that can resolve bullet holes at 1000 yards is impressive. But if you want the ultimate in optical performance, with minimal chromatic aberration, you may need to step up to something like the 88mm Kowa Prominar TSN-88A Prominar with Flourite Crystal lenses ($3699.00 with 25-60X eyepiece), or the 82mm Leica APO ($3598.00 with 25-50X eyepiece).
EDITOR’s NOTE: The purpose of this report is to show what is possible… in IDEAL conditions. With this Pentax 100mm, as well as a Swarovski 80mm, we can often resolve 6mm bullet holes at 600 yards. But again, that performance requires really good viewing conditions. By 10:00 am at my range, even with the 100mm Pentax at 75 power, seeing 6mm bullet holes is “iffy” at best. So don’t go out and mortgage the house to buy a $4000 optic with the hope that you’ll be able to spot your shots at 1000 yards. If conditions are anything less than perfect, you’ll be lucky to see bullet holes at 500 yards.
The real solution for very long-range spotting is to set up a remote target cam that broadcasts a video picture to a screen at your shooting station. Among the target cams on the market, we recommend the LongShot LR-3 2-mile UHD. This modern target cam system boasts excellent resolution and incredible range. The LongShot LR-3 target cam is used in major ELR competitions. The Longshot LR-3 currently sells for $899.00 on Amazon.
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Today’s Saturday showcase features a variety of notable products. We start with the excellent new-generation Micron seating dies. These precision dies deliver very low run-out and very consistent base-to-ogive numbers. Next we highlight the superb Bix’n Andy triggers, both single-stage and 2-stage models. Then Ultimate Reloader reviews the Longshot Hawk Spotting scope camera. This is followed by a detailed video on the state-of-the-art, computer-controlled AMP Mark II DB annealer, an amazing product that can enhance accuracy while dramatically extending useful brass life. For ELR shooters and 50 BMG fans, we include a review of Forster’s Co-Ax XL press. And finally you’ll find a video showing Caldwell’s handy and affordable “Flash Bang” hit detector.
New Micron Seating Dies from Bullet Central
This F-Class John video covers the impressive Micron Precision Series eating dies, both the threaded version and the Arbor Press model. These are beautifully made with very precise seating depth adjustments. John starts by showing the full operation of the Micron Arbor Press Die. Then, at the 12:05 time-mark, John shows the Micron threaded die used in the impressive new Short Action Customs Nexus Press. John explains how to back off the dies to work towards your desired seating depth in stages. Use code MICRON15 at Bullet Central to save 15% on your Micron purchase.
Bix’n Andy Triggers — Single-Stage and 2-Stage
Bix’N Andy triggers are now widely used by top long-range, F-Class, and Palma competitors. These triggers are precise, easy to adjust and available for a wide range of actions. The availability of Bix’N Andy triggers is more important than ever before because Jewell triggers has halted production and it is now difficult to get spare parts for Jewell triggers. In this video, F-Class John shows the features of both single-stage Comp and 2-stage Comp triggers, with different trigger blades. At the 16-minute mark, John shows the triggers in use at the range on both benchrest and NRL22-style rimfire rifles. NOTE: For a limited time save $30 off order of $300 or more at BulletCentral.com with code FCJ30.
Longshot Hawk Spotting Scope Camera
The LongShot Hawk Spotting Scope Camera is a great accessory. Attached to the eyepiece of your spotting scope, it will send the “view” to a tablet or smartphone placed next to your rifle. With this system you can see the shot impact in normal firing position your cheek resting against the rifle. That is impractical with the cheaper phonescope systems attached to a spotting scopes. NOTE: Any device that you’ll use to connect to the HAWK (phone or tablet) will need to be Wi-Fi capable. The HAWK has built-in Wi-Fi and broadcasts an SSID to connect with your phone/tablet. It doesn’t need an internet connection to work — but it uses the wireless connection for streaming the video signal.
Annealing Made Perfect AMP Mark II DB
This detailed 9.7 minute review outlines the features of the latest AMP electronic annealing machine, the AMP Mark II DB. This uses a computer control to deliver precise annealing times and temperatures with a profile for your specific lot and brand of brass. One user praised this new AMP machine: “The touch screen is much more intuitive than the old one.” Another stated: “If you want to anneal the best way possible this is it. Does a torch work? Sure it does. The AMP does it far better and far more consistently.” A buyer confirmed this sophisticated new AMP is fast and efficient: “Just got one, a few days ago and it’s so easy to use. Without even trying, I easily anneal eight rounds per minute”.
Forster Co-Ax XL Press — Great Option for Very Large Cartridges
If you load very long cartridges, such as the .375 CheyTac, .416 Barrett, or 50 BMG, you will need a specialized press with more space inside the frame and enhanced vertical die travel. The relatively new Forster Co-Ax XL press, introduced at the 2023 SHOT Show, fills the bill. In this Ultimate Reloader video, Gavin Gear shows how to set up the XL press. Then he shows how to adapt the press to different die sizes. He finishes by sizing a 50 BMG case. Gavin notes that this press has beefy construction and ball bearings in the linkage plates. Like what you see? You can purchase this press direct from Forster for $1295.00.
Caldwell Flash Bang Device Shows Hits
If you are shooting steel or reactive targets at long range, sometimes it is difficult to see the hit, particularly if you are shooting lighter-weight bullets or if the target hasn’t recently been painted. Caldwell has a solution — the battery-powered Flash-Bang. A bright-green strip light flashes on impact. The Flash-Bang unit attaches with adhesive to the rear of the target, extending to the left or right side. CLICK HERE for another Caldwell Flash Bang field test from the HarleyWood YouTube Channel.
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Nikon offers eyepieces with reticles for its flagship Monarch Fieldscopes. Eyepiece reticles help spotters call shot corrections with precise click values (MOA or Mils).
Using a spotting scope seems simple. Just point it at the target and focus, right? Well, actually, it’s not that simple. Sometimes you want to watch mirage or trace, and that involves different focus and viewing priorities. Along with resolving bullet holes (or seeing other features on the target itself), you can use your spotting scope to monitor mirage. When watching mirage, you actually want to focus the spotting scope not on the target, but, typically, about two-thirds of the distance downrange. When spotting for another shooter, you can also use the spotting scope to watch the bullet trace, i.e. the vapor trail of the bullet. This will help you determine where the bullet is actually landing, even if it does not impact on the target backer.
In this video, SFC L.D. Lewis explains how to use a spotting scope to monitor mirage, and to watch trace. SFC Lewis is a former Army Marksmanship Unit member, U.S. Army Sniper School instructor, and current U.S. Army Reserve Service Rifle Shooting Team member. In discussing how precision shooters can employ spotting scopes, Lewis compares the use of a spotting scope for competition shooters vs. military snipers. NOTE: You may wish to turn up the audio volume, during the actual interview segment of this video.
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You are looking at a true game-changer — a full-size spotting scope with a digital screen, not a conventional rear glass eyepiece. On the new Omnis Digital Spotting Scope, the large front objective gathers light effectively as does a normal spotter, but you view the image on a digital screen. This has many advantages — multiple persons can view the screen at the same time. You don’t have to get extremely close to the screen as you would with a conventional eyepiece. This is great for a spotter or coach, who can also maintain a broader view downrange in his field of vision.
In addition, digital screen graphics can potentially provide range and ballistics information (via software). Another major advantage is that the screen output can recorded and later replayed for analysis or review. That’s great for training programs or when reviewing match stages — you basically can record a movie of your shooting sessions. And, the system works well at night and in low light, so it is great for hunters. Wouldn’t it be cool if your current spotting scope could be used at night?
GunsAmerica Hunt 365 Omnis Video Review and Field Test
To learn more about the Accufire Omnis Digital Spotting Scope, check out the extensive review on The Firearm Blog. That 1300-word review explains the primary advantages of a spotting scope with an electronic screen. The TFB review also covers reticle options, day/night mode, recording capabilities, and accessory mounting. Some 28 photos illustrate the scope’s controls, on-screen features, and mounting options. If you are considering getting an Omnis Spotter, definitely READ the TFB Review.
Accufire Technology, maker of the Omnis Digital Spotting Scope, explains its advantage over conventional non-electronic optics: “Anyone who has spent more than a few minutes with their face behind a traditional spotting scope knows that eye fatigue is a real problem. Add to that the difficulty of [explaining to] another person … what you are looking at and it is a wonder why people still use traditional spotting scopes.”
Omnis Digital Spotting Scope Notable Features
The Omnis Digital Spotting scope has a 30X-120X digital zoom range displayed on a 2.95 inch OLED Screen. This eliminates eye fatigue and allows multiple users to view the frame at the same time. The Accufire “walk-through” video below explains the key features of the Omnis Digital Spotting Scope:
Software App Allows Video streaming from Omnis Spotting Scope
With the Accufire App, the user can connect to the Omnis’s onboard WiFi network and stream to any compatible Apple or Android device. On top of all that the Omnis can record audio and video to its internal memory on an SD card. This can also be accessed via a USB-C port.
Rechargeable Batteries Plus External Power Capability
The Omnis spotting scope is powered by four (4) rechargeable CR123a batteries that give it a 4-hour continuous run time. The Omnis can also be connected to an external battery via the USB-C port for even longer run-time. External battery packs are inexpensive.
Accufire Omnis Spotting Scope Features:
Magnification: 30X – 120X
Video Out Resolution: 1440×1880
2.95 inch OLED screen
Day and Night Capable (using IR light at night, not included)
When shooting at long range, two heads (and two sets of eyes) can be better than one. Teaming up with a buddy who acts as a spotter can speed up your long-range learning process. You can focus 100% on the shot, while your buddy calls the wind and spots your hits and misses.
The NSSF has created a short video that shows how shooter and spotter can work as a team. In the video, the NSSF’s Dave Miles works with Rod Ryan, owner of Storm Mountain Training Center in Elk Garden, WV. As the video shows, team-work can pay off — both during target training sessions and when you’re attempting a long shot on a hunt. Working as a two-person team divides the responsibilities, allowing the shooter to concentrate fully on breaking the perfect shot.
The spotter’s job is to watch the conditions and inform the shooter of needed wind corrections. The shooter can dial windage into his scope, or hold off if he has a suitable reticle. As Rod Ryan explains: “The most important part is for the shooter to be relaxed and… pay attention to nothing more than the shot itself.” The spotter calls the wind, gives the information to the shooter, thus allowing the shooter to concentrate on proper aim, gun handling, and trigger squeeze. Rod says: “The concept is that the spotter does all the looking, seeing and the calculations for [the shooter].”
Spotter Can Call Corrections After Missed Shots
The spotter’s ability to see misses can be as important as his role as a wind-caller. Rod explains: “If you shoot and hit, that’s great. But if you shoot and miss, since the recoil pulse of the firearm is hitting your shoulder pretty good, you’re not going to be able to see where you missed the target. The spotter [can] see exactly where you missed, so I’ll have exactly an idea of how many [inches/mils it takes] to give you a quick secondary call so you can get [back on target].”
Recommended Premium Spotting Scopes
Looking for a truly superior spotting scope? Then check out the Kowa Prominar TSN-880 Series. These big spotters feature ultra-sharp Flourite glass, with huge 88mm front objectives. In comparison tests with other premium spotting scopes the TSN-883 (angled) and TSN-884 (straight) units always finish at or near the top. Right now you can get the TSN-883 (Angled) body at Amazon for $2450.00 or EuroOptic.com for the same price.
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For many years, the Swarovski Optik website featured a blog with interesting technical articles. (Unfortunately some of these articles have been taken offline.) In the “On Target” series of blog stories, Swarovski provided a handy explanation of how optics systems work, with exploded diagrams of rifle scopes, spotting scopes, and binoculars. We’ve reproduced the key diagrams here. CLICK HERE for Swarovski On Target Archive.
Scope Terminology Focusing Lens
The focusing lens is an adjustable lens inside the optical system for focusing the image at different distances…. In the case of rifle scopes, apart from focusing, the focusing lens also facilitates parallax compensation.
Objective Lens
The objective lens is the optical system’s front lens group facing the object and operates like a converging lens. Its purpose is to display an image which, at the image plane, appears upside down, laterally transposed and reduced, and which is subsequently displayed correctly again by the reversal system.
Diopter Adjustment
For rifle scopes, the reticle can be focused using the diopter adjustment on the eyepiece, thereby correcting any visual impairment. [Editor’s Note: Movable eyepiece diopter adjustment is not offered on all rifle scopes. It is a useful feature on Swarovski and other premium scopes. This allows shooters who need eyeglasses to get a sharply focus image even without wearing corrective lenses. Of course shooters should always wear ANSI-certified eye protection. With the diopter, folks who need correction can use inexpensive, non-Rx safety eyewear instead of expensive prescription safety glasses.]
Reversal System
The purpose of the reversal system is to reverse the image by means of prisms in binoculars and telescopes, and lenses in rifle scopes….The lens reversal system is needed in rifle scopes to control the variable magnification and move the exit pupil[.]
Resource tip by EdLongRange. We welcome reader submissions.
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If you need any kind of optics, head over to Sportsman’s Warehouse this month. There are big savings on riflescopes, spotting scopes, laser rangefinders, binoculars, Red Dot sights, tripods and more. Plus, with this Sportsman’s exclusive Leupold Gold Event you get valuable Gift Cards with each purchase of $100 or more. These Gift Cards can be used to purchase additional merchandise at any Sportsman’s Warehouse store or online at Sportsmans.com. The max Gift Card Value is $300.00. And you can get combined Gift Card value for multiple Leupold purchases. For example, get up to a $230 Gift Card with a Leupold VH6-HD riflescope and get a $180 Gift Card with a Leupold SX-5 Spotting Scope.
Sportsman’s Warehouse Gift Cards up to $300 in Value
You can profit TWO ways during the Leupold Gold Event. First, you can save 20% or more, with major discounts on scopes, spotting scope, binoculars, LRFs, tripods and more. Second — pay attention here folks — when you buy Leupold products you can get additional FREE Sportsman’s Gift Cards worth up to $300. For qualifying Leupold products you get $10 in Gift Card Value for every $100 you spend. So, for example, if you buy a Leupold SX-4 spotting scope for $649.99 on SALE you’ll get a $60 Gift Card. These Gift Cards can be used dollar for dollar for other purchases at Sportsman’s Warehouse.
Leupold Ultimate Hunting Package $16,000+ Contest
The 2022 Leupold Gold Event includes a major give-away contest with over $16K in prizes. Enter to win an Ultimate Hunting Package with gear from Leupold, Christensen Arms, Hornady, Garmin, Zamberlan, Killik, Benchmade, Kodiak Canvas, Lost Creek, Traeger, and MTN OPS. The total prize package is worth over $16,000.00.
Leopold states: “This prize package not only comes with the best riflescope, rangefinder, binoculars, and accompanying products from Leupold but also dozens of other high-end products from top collaborating brands. Get everything you need for a fully outfitted hunt, including a full camo system, pellet grill, canvas tent, and more[.]”
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Coalinga Range in California. At dawn we could clearly see 7mm and .30 Cal bullet holes at 1000 yards.
While attending the CA Long Range Championship a few seasons back, we had the opportunity to test the performance of a high-magnification (63X) spotting scope in near-ideal conditions (maybe the best I’ve ever witnessed). On the event’s last day we arrived at 5:45 am, literally as the sun was cresting the horizon. I quickly deployed our Pentax PF-100ED spotting scope, fitted with a Pentax SMC-XW 10mm fixed-power eyepiece. When used with the 100mm Pentax scope, this 10mm eyepiece yields 63X magnification. Befitting its $299.00 price, this eyepiece is extremely clear and sharp.
At the crack of dawn, viewing conditions were ideal. No mist, no mirage, no wind. The first thing this Editor noticed was that I could see metal nail heads on the target boards. That was astonishing. As soon as the first practice targets went up, to my surprise, I could see 6.5mm, 7mm, and 30-caliber bullet holes in the white at 1000 yards. No lie…
That’s right, I could see bullet holes at 1000. I know many of you folks may not believe that, but there was no mistaking when I saw a 7mm bullet cut the white line separating the Nine Ring and Eight Ring on the target in view. (I was watching that target as the shot was fired and saw the shot-hole form). And when I looked at the 30-cal targets, the bullet holes in the white were quite visible. In these perfect conditions I could also make out 3/8″ bolt heads on the target frames.
The Human Factor — Good Vision Required
When viewing the bullet holes, I was using my left naked eye (no safety glasses or magnification). I also had a contact lens in my right eye (needed for distance vision). To my surprise, while I could see the bullet holes without much difficulty with my left eye, things were fuzzier and slightly more blurry with the right eye, even when I re-focused the scope. That contact lens was degrading the fine resolution.
Then I invited 3 or 4 shooters to look through the scope. One younger guy, with good eyes, said immediately: “Yeah, I can see the holes — right there at 4 o’clock and seven o’clock. Wow.” Some older guys, who were wearing glasses, could not see the holes at all, no matter what we did to the scope’s main focus and diopter adjustment.
The lesson here — if you have to wear glasses or corrective contact lenses, just that extra bit of optical interference may make a difference in what you can see through the scope. Basically anything that goes between the scope eyepiece and your eyeball can degrade the image somewhat. So… you may be better off removing your glasses if you can still obtain good focus sharpness using the diopter adjustment and focus ring. I did the left vs. right eye test a half dozen times, and I could definitely see small features at 1000 yards with my naked eye that I could not see with my right eye fitted with a contact lens. (I did have to re-focus the scope for each eye, since one had a corrective lens while the other did not.)
Mirage Degrades Image Sharpness and Resolution
The “magic light” prevailed for only an hour or so, and then we started to get some mirage. As soon as the mirage appeared I was no longer able to see raw bullet holes, though I could still easily see black pasters on the black bulls. When the mirage started, the sharpness of the visible image degraded a huge amount. Where I could see bullet holes at dawn, by mid-morning I could barely read the numbers on the scoring rings. Lesson: If you want to test the ultimate resolution of your optics, you need perfect conditions.
Chromatic Aberration Revealed
As the light got brighter and the mirage increased I started to see blue and red fringing at the edges of the spotting disk and the large numerals. This was quite noticeable. On one side of the bright, white spotting disc you could see a dark red edge, while on the other side there was a blue edge (harder to see but still present).
The photo below was taken through the Pentax spotter lens using a point and shoot camera held up to the eyepiece. The sharpness of the Pentax was actually much better than this photo shows, but the through-the-lens image does clearly reveal the red and blue fringing. This fringing is caused by chromatic aberration — the failure of a lens to focus all colors to the same point. Chromatic aberration, most visible at high magnification, causes different wavelengths of light to have differing focal lengths (see diagram). Chromatic aberration manifests itself as “fringes” of color along boundaries that separate dark and bright parts of the image, because each color in the optical spectrum cannot be focused at a single common point on the optical axis. Keep in mind that the Pentax does have “ED” or low-dispersion glass, so the effect would be even more dramatic with a cheaper spotting scope.
If you wonder why top-of-the-line spotting scopes (such as the $2980 Swarovski ATS-80 ) cost so much, the answer is that they will deliver even LESS chromatic aberration at long range and high magnification. With their exotic apochromatic (APO), ultra-low-dispersion glass, a few ultra-high-end spotting scopes can deliver an image without the color edging you see in the photo above.
The Pentax PF-100ED is a heck of a spotting scope. Any scope that can resolve bullet holes at 1000 yards is impressive. But if you want the ultimate in optical performance, with minimal chromatic aberration, you may need to step up to something like the 88mm Kowa Prominar TSN-884 with Flourite Crystal lenses ($2450.00 body only), or the 82mm Leica APO ($3899.00 with 25-50X eyepiece).
EDITOR’s NOTE: The purpose of this report is to show what is possible… in IDEAL conditions. With this Pentax 100mm, as well as a Swarovski 80mm, we can often resolve 6mm bullet holes at 600 yards. But again, that performance requires really good viewing conditions. By 10:00 am at my range, even with the 100mm Pentax at 75 power, seeing 6mm bullet holes is “iffy” at best. So don’t go out and mortgage the house to buy a $4000 optic with the hope that you’ll be able to spot your shots at 1000 yards. If conditions are anything less than perfect, you’ll be lucky to see bullet holes at 500 yards. The real solution for very long-range spotting is to set up a remote target cam that broadcasts a video picture to a screen at your shooting station. Among the target cams on the market, we recommend the LongShot LR-3. It boasts excellent resolution and incredible range. The LongShot LR-3 target cam is used in major ELR competitions.
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Probably 95% of all civilian rifle shooting is done from the bench — if you include fun shooting, load development, sight-in sessions, practice days, youth training, as well as actual benchrest and club competitions. If you shoot with iron sights, or a low-power optic, you’ll definitely need a spotting scope to see your shots on target. And if you’re shooting long-range, that spotting scope will help you see mirage, as well as hits on far targets.
It’s not always easy to place a spotting scope near your bench. There are short benchtop tripods, but they take up precious bench-top space and can interfere with your non-favored arm placement/functions. Or you can deploy a complete separate tall tripod, next to the bench, but, frankly, that’s inconvenient, and with some bench structures it’s difficult to get the scope close enough to the shooter’s eye.
Here is a smart solution from Creedmoor Sports — a specialized, clamp-on Spotting Scope Support that mounts directly to the side of your bench. This will work with heavy, thick range benchtops as well as thinner-top portable shooting benches.
Creedmoor Spotting Scope Bench Mount
This mounting system clamps to the bench, allowing your spotting scope to be suspended near your face, with nothing below it to get bumped. If your buddy wants to look through the scope, simply spin the horizontal boom piece away from the bench. This system adjusts up and down and left and right. Set the scope head in any configuration you prefer. The $219.95 kit has everything you need, including all clamps AND the blue adjustable scope head. Select either 3/4″ rod diameter or 1″ rod diameter. (Bigger is better for heavier spotting scopes).
Creedmoor Bench Mount Spotting Scope Stand Features:
1″ or 3/4″ aluminum rods for vertical and horizontal support (18″ in length)
Anti-pivot pins to keep the mount from twisting on the edge of the bench
Includes high-grade Blue anodized adjustable scope head
Durable anti-slip rubber on the clamp
Micro-adjustment clamping stopper
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Keith Glasscock is one of America’s very finest F-Class shooters. This talented trigger-puller took second in F-Open division at the F-Class National Championships three years in a row. A smart engineer with aviation knowledge, Keith is a master wind reader, who has served as the wind coach for top F-Class teams. In fact Keith is in Arizona right now coaching a team at Ben Avery.
Keith shares his wind-reading expertise on his popular YouTube Channel — Winning in the Wind. This channel provides intelligent advice on multiple topics including reloading, load development, shooting strategies, and yes, reading the wind.
Keith has the credentials to back up the advice he offers in his video lessons. A High Master, Keith finished second overall at the 2021 NRA F-Class Long Range Championship in F-Open division. He also finished second at the 2020 Nationals, and he took second place at the 2019 Nationals. His consistency is unrivaled, which means he definitely knows the secrets of long-range wind calling and loading ultra-accurate ammo.
Today we feature two of Keith’s latest YouTube videos, both focused on wind reading.
Wind Direction vs. Wind Speed — Which is More Important
Most shooters find wind reading somewhat intimidating. That is understandable. The wind can change constantly during a match, with variations in both wind velocity and angles. Sometimes you think you have a cycle figured out, but then there can be an unexpected lull. Or you may start a string in what you think is a stable condition, but then a surprise shift changes everything. In addition, wind flows can be influenced by terrain features, such as berms, which have varying effects depending on wind angle (e.g. a tailwind hitting a berm will act differently than a 90-deg crosswind). That is why a good wind reader needs to identify both the wind speed AND the wind angle. In this video, Keith explains when to focus primarily on direction and when to pay most attention to velocity. With headwinds and tailwinds, Keith notes, you should monitor angle changes carefully. With crosswinds, speed is the key variable to watch.
KEY Points to Remember
— Small changes in wind direction changes alter POI drastically at long range
— During head or tailwinds, focus on wind direction
— During crosswinds, focus more on wind speed
— The wind is cyclic — always be aware of the pattern
Determining Wind Direction with Precision
Many shooters try to read the wind merely using whatever wind flags might be aloft on the range. Flags are important of course, but there are other vital factors that a wise wind-watcher will monitor. You want to watch mirage, and the movement of grass and trees. In looking for angle changes, Keith says the spotting scope is a very important tool. His tripod is equipped with angle markings on the rotating tripod head. This allows him to ascertain wind angles with great precision.
In the video below, Keith shows how to use a spotting scope to read the wind. He explains how he uses his spotting scope in his role as a wind coach. But a spotting scope can also be used effectively by competitors shooting prone or from a bench. Many top shooters use their spotting scopes to watch mirage during their relays. Keith notes that smart competitors can also use their spotters BETWEEN relays to scout natural wind indicators (moving grass, trees etc.), check for boils, watch mirage, and estimate wind velocity cycles.
KEY Points to Remember
— Wind flags leave a lot to be desired in precision wind direction reading
— Precision wind direction can be obtained with a spotting scope
— There is a boil both directly upwind and directly downwind
— Angle indicator on your tripod helps with angular precision in wind readings
— Scouting with a spotting scope before your turn to shoot can be fruitful
Questions and Answers with Keith Glasscock
Q. How did you get started as a wind coach, and what were the most important stages in your progress in wind-reading?
Keith: I started coaching this team in 2017. I was looking for a team to shoot on, but they needed a wind coach. I’ve been a backseat driver ever since. I learned the most about reading the wind from shooting when the conditions are absolutely miserable – flags popping, wind switching, people missing the targets entirely, and there I was, having to make the big call. I learn from my own mistakes, and it shows. I still make mistakes, but try to limit them to ones I haven’t already made. In essence, I am in the most important stage now. Humbly looking at the wind knowing its power and mystery, while learning new things every day.
Q. What are the most common wind-reading mistakes you see people make at matches?
Keith: The most common, in a word, is UNDER-confidence. Most shooters can make that wind call with accuracy. But their fear prevents them from doing that, and prevents them from learning or taking advantage of smooth, solid conditions. The second common mistake is failure to anticipate changes. That comes from not gauging the wind pattern. It’s all about patterns in a sport where wind changes so small have such profound impacts on score.
Q. What’s more important — wind flags, or mirage (or maybe the unexpected horizontal that appears on the last shot recorded on target).
Keith: Both flags and mirage lie. The only thing that tells the truth is a bullet. Unfortunately, the wind can switch faster than you can shoot in most cases. I take a fluid approach. I look for what on the range right now tells me what the wind is doing.
Q. When are conditions so bad/unpredictable that it is necessary to just stop shooting and wait for things to get better?
Keith: This is situational, and comes down to what you are observing. I never like to shoot in the top of a gust condition, even when I know what the hold is. The drop off is what gets you that surprise 8.
Q: What type of wind meters do you recommend?
Keith: While Kestrels are inexpensive and quite serviceable, they are directional in nature. If I want absolute wind speed, an omnidirectional style unit is preferred.
Q. Are there ways to practice reading the wind (and judging wind speeds) when one is away from the range?
Keith: I really concentrate on seeing mirage any time I’m outside, without optics. I can, many times, see the boil of the mirage, and wind direction with the naked eye. My time in aviation has my eye tuned to see things like shear zones and venturis in the airflow. I take a moment, anytime the air is moving, to feel the air on my skin, see the trees and grass moving, and areas where the wind does funny things. Trees and grass tend to get too much credit as precision wind indicators. I use them as wind change indicators. It also gives me an opportunity to humble myself and realize how dependent I am on mirage and flags.
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Bigger is normally better — when it comes to light transmission and field of view. Kowa has introduced an all-new, high-end spotting scope, the TSN-99 Prominar, which has a huge 99mm front objective lens. This 99mm spotting scope features a pure Fluorite XD (eXtra-low Dispersion) lens for maximum light transmission, with superior edge-to-edge sharpness, and minimal chromatic aberration.
The TSN-99’s primary TE-11WZ II eyepiece provides a 30-70X range of magnification and there is also a 40X extreme-wide-angle eyepiece. That would be very effective for wind-reading. Existing accessories for Kowa’s 88/77 series are compatible with the new TSN-99 series spotters.
Who needs a spotter this big? We expect this will be popular with wind coaches and shooters involved in the ELR game. And guys who started with a 60mm, then graduated to an 80mm or 88mm, may decide to step up to this big new optic. It will certainly offer better low-light performance. That 99mm objective equals 3.898 inches.
With a 100% magnesium alloy structure, this big spotter is lighter than you might expect. The angled model weighs 3.99 lbs. (1810 grams) while the straight version weighs 4.04 lbs. (1835 grams). With the magnesium body, Kowa claims the TSN-99 series is “one of the most compact and lightweight in its class … making it more portable than many other models.” The objective lens boasts a protective Kowa KR coating which actively repels dirt, moisture and dust.
Avaliable accessories include: TE-11WZ II 30-70X wide zoom eyepiece, TE-80XW 40X extreme-wide-angle eyepiece, TSN-EX16 1.6x extender, plus Digiscoping adapters.
The TSN-99 PROMINAR spotting scopes will be available for pre-order starting August 2, 2021, with product distribution beginning on September 9, 2021.* Click HERE for product information.
For our European readers, the Kowa Website lists the prices for TSN-99A Angled OR TSN-99S Straight spotters as follows: €3,899.00 with 30-70X eyepiece, or €3,199.00 body only. (I.e. same price for either straight or angled, VAT included).
Kowa’s 88mm TSN-880 Prominar spotters have finished at the top of many spotting scope comparison tests, so we expect the new 99mm TSN-99 to raise the bar even higher. Kowa explains: “The TSN-99 Prominar Series is the evolution of over six decades of Japanese optical design and technology. It utilizes the very best from our optical heritage and benefits from features, technology, and engineering developed by generations of Kowa optical experts.”
Kowa states that the TSN-99 Prominar Spotter was created to deliver “the brightest and widest view of nature[.] We created TSN-99 PROMINAR series because we wanted to deliver one of the most immersive and detailed views of the natural world.”
This short 1.5-minute video shows the TSN-99 used in the field:
This 7.5-minute video provides details of the TSN-99’s design, lens properties, and controls:
TE-80XW Extreme-Wide-Angle 40X EyePiece: 37M at 1000M
Along with a 30-70X zoom eyepiece, Kowa offers the Kowa TE-80XW eyepiece for the TSN-99 spotter series. The TE-80XW offers an 80-degree view, one of the widest field of views ever offered with similar magnification. This provides a view of 37 meters (40.5 yards) width at 1000m distance. That would allow you to see a very long line of targets or wide spread of wind flags with 40X magnification.
The TE-80XW incorporates a field-flattener lens maintaining flat resolution throughout the entire 80-degree field of view. The Kowa TE-80XW is 100% waterproof, sealed against the elements, and protected against dirt, moisture and dust by Kowa’s unique KR coating.
*The September 9, 2021 date was in Kowa’s official press release. However, Kowa’s global website states: “The new TSN-99 PROMINAR spotting scope series… will be available to purchase from Kowa authorised dealers from the 1st October 2021 [sic].” Thanks to EdLongRange for finding TSN-99 Series current pricing.
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When shooting at long range, two heads (and two sets of eyes) can be better than one. Teaming up with a buddy who acts as a spotter can speed up your long-range learning process. You can focus 100% on the shot, while your buddy calls the wind and spots your hits and misses.
The NSSF has created a short video that shows how shooter and spotter can work as a team. In the video, the NSSF’s Dave Miles works with Rod Ryan, owner of Storm Mountain Training Center in Elk Garden, WV. As the video shows, team-work can pay off — both during target training sessions and when you’re attempting a long shot on a hunt. Working as a two-person team divides the responsibilities, allowing the shooter to concentrate fully on breaking the perfect shot.
The spotter’s job is to watch the conditions and inform the shooter of needed wind corrections. The shooter can dial windage into his scope, or hold off if he has a suitable reticle. As Rod Ryan explains: “The most important part is for the shooter to be relaxed and… pay attention to nothing more than the shot itself.” The spotter calls the wind, gives the information to the shooter, thus allowing the shooter to concentrate on proper aim, gun handling, and trigger squeeze. Rod says: “The concept is that the spotter does all the looking, seeing and the calculations for [the shooter].”
Spotter Can Call Corrections After Missed Shots
The spotter’s ability to see misses can be as important as his role as a wind-caller. Rod explains: “If you shoot and hit, that’s great. But if you shoot and miss, since the recoil pulse of the firearm is hitting your shoulder pretty good, you’re not going to be able to see where you missed the target. The spotter [can] see exactly where you missed, so I’ll have exactly an idea of how many [inches/mils it takes] to give you a quick secondary call so you can get [back on target].”
Recommended Premium Spotting Scopes
Looking for a truely superior spotting scope? Then check out the Kowa Prominar TSN-880 Series. These big spotters feature ultra-sharp Flourite glass, with huge 88mm front objectives. In comparison tests with other premium spotting scopes the TSN-883 (angled) and TSN-884 (straight) units always finish at or near the top. Right now you can get the TSN-883 (Angled) body at Amazon for $2450.00 or EuroOptic.com for the same price. A Special 125th Anniversary Black-Body Edition with TE-11WZ 25-60x Zoom Eyepiece runs $3150.00 at B&H Photo.
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While attending the CA Long Range Championship a few seasons back, we had the opportunity to test the performance of a high-magnification (63X) spotting scope in near-ideal conditions (maybe the best I’ve ever witnessed). On the event’s last day we arrived at 5:45 am, literally as the sun was cresting the horizon. I quickly deployed our Pentax PF-100ED spotting scope, fitted with a Pentax SMC-XW 10mm fixed-power eyepiece. When used with the 100mm Pentax scope, this 10mm eyepiece yields 63X magnification. Befitting its $299.00 price, this eyepiece is extremely clear and sharp.
Then I invited 3 or 4 shooters to look through the scope. One younger guy, with good eyes, said immediately: “Yeah, I can see the holes — right there at 4 o’clock and seven o’clock. Wow.” Some older guys, who were wearing glasses, could not see the holes at all, no matter what we did to the scope’s main focus and diopter adjustment.
Chromatic Aberration Revealed
CLICK HERE to view LARGE PHOTO that shows aberration more clearly.
Using a spotting scope seems simple. Just point it at the target and focus, right? Well, actually, it’s not that simple. Sometimes you want to watch mirage or trace, and that involves different focus and viewing priorities. Along with resolving bullet holes (or seeing other features on the target itself), you can use your spotting scope to monitor mirage. When watching mirage, you actually want to focus the spotting scope not on the target, but, typically, about two-thirds of the distance downrange. When spotting for another shooter, you can also use the spotting scope to watch the bullet trace, i.e. the vapor trail of the bullet. This will help you determine where the bullet is actually landing, even if it does not impact on the target backer.
Bigger is normally better — when it comes to light transmission and field of view. Kowa has introduced an all-new, high-end spotting scope, the 
