What is Parallax?
Parallax is the apparent movement of the scope’s reticle (cross-hairs) in relation to the target as the shooter moves his eye across the exit pupil of the riflescope. This is caused by the target and the reticle being located in different focal planes.
Here’s a good explaination of scope parallax. This video has been watched over 790,000 times.
Why is it Important?
The greater the distance to the target and magnification of the optic, the greater the parallax error becomes. Especially at longer distances, significant sighting error can result if parallax is not removed.
How to Remove Parallax
This Nightforce Tech Tip video quickly shows how to remove parallax on your riflescope.
While keeping the rifle still and looking through the riflescope, a slight nod of the head up and down will quickly determine if parallax is present. To remove parallax, start with the adjustment mechanism on infinity and rotate until the reticle remains stationary in relation to the target regardless of head movement. If parallax has been eliminated, the reticle will remain stationary in relation to the target regardless of eye placement behind the optic.
What is Parallax?
Parallax is the apparent movement of the scope’s reticle (cross-hairs) in relation to the target as the shooter moves his eye across the exit pupil of the riflescope. This is caused by the target and the reticle being located in different focal planes.
Why is it Important?
The greater the distance to the target and magnification of the optic, the greater the parallax error becomes. Especially at longer distances, significant sighting error can result if parallax is not removed.
How to Remove Parallax
This Nightforce Tech Tip video quickly shows how to remove parallax on your riflescope.
While keeping the rifle still and looking through the riflescope, a slight nod of the head up and down will quickly determine if parallax is present. To remove parallax, start with the adjustment mechanism on infinity and rotate until the reticle remains stationary in relation to the target regardless of head movement. If parallax has been eliminated, the reticle will remain stationary in relation to the target regardless of eye placement behind the optic.
What is Parallax?
Parallax is the apparent movement of the scope’s reticle (cross-hairs) in relation to the target as the shooter moves his eye across the exit pupil of the riflescope. This is caused by the target and the reticle being located in different focal planes.
Why is it Important?
The greater the distance to the target and magnification of the optic, the greater the parallax error becomes. Especially at longer distances, significant sighting error can result if parallax is not removed.
How to Remove Parallax
This Nightforce Tech Tip video quickly shows how to remove parallax on your riflescope.
While keeping the rifle still and looking through the riflescope, a slight nod of the head up and down will quickly determine if parallax is present. To remove parallax, start with the adjustment mechanism on infinity and rotate until the reticle remains stationary in relation to the target regardless of head movement. If parallax has been eliminated, the reticle will remain stationary in relation to the target regardless of eye placement behind the optic.
Our “inside source” at EuroOptic.com just let us know about a very hot deal coming up. Next week a bunch of overstock Vortex 6-24×50 PST EBR-1 MOA scopes will be arriving, and you’ll be able to save hundreds on these excellent optics. EuroOptic.com will offer this scope for $789.99. It sells elsewhere for up to $989.00. You can order now* for delivery by the end of the month with Free Shipping (these scopes are expected to arrive next week). Download Scope Manual.
The Viper PST 6-24×50 EBR-1 riflescope on sale is a First Focal Plane (FFP) scope with EBR-1 reticle. This optic offers 1/4 MOA adjustments, 12 MOA per rotation, 65 MOA Total Elevation, and 65 MOA Total Windage. The etched-glass reticle features MOA-based subtensions (see illustration). Rugged and strong, this Viper PST features a single piece 30mm tube, hard anodized ArmorTek finish, tactical-style turrets, side focus parallax, and CRS zero stop. The scope carries a full lifetime warranty and is rated as fogproof/shockproof/waterproof.
Editor’s Comment: While hard-core tactical competitors may prefer a Second Focal Plane (SFP) scope, this 6-24X FFP Viper PST is a great general-purpose optic choice for varminting or club-level target shooting. It delivers a lot of performance for the price. Clicks on this scope are positive, we like the zero-stop feature, and the MOA hash-marks are handy for hold-offs and hold-overs.
*The EuroOptic.com website says “Back-ordered”. Don’t fret. You CAN place an order now and it will fill when the scopes arrive next week.
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What is Parallax?
Parallax is the apparent movement of the scope’s reticle (cross-hairs) in relation to the target as the shooter moves his eye across the exit pupil of the riflescope. This is caused by the target and the reticle being located in different focal planes.
Why is it Important?
The greater the distance to the target and magnification of the optic, the greater the parallax error becomes. Especially at longer distances, significant sighting error can result if parallax is not removed.
How to Remove Parallax
This Nightforce Tech Tip video quickly shows how to remove parallax on your riflescope.
While keeping the rifle still and looking through the riflescope, a slight nod of the head up and down will quickly determine if parallax is present. To remove parallax, start with the adjustment mechanism on infinity and rotate until the reticle remains stationary in relation to the target regardless of head movement. If parallax has been eliminated, the reticle will remain stationary in relation to the target regardless of eye placement behind the optic.
This Parallax Discussion first appeared in the Nightforce Newsletter. To get other helpful Tech Tips delivered to your mailbox, CLICK HERE to open the Nightforce Newsletter sign-up page.
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Bushnell Outdoor Products has launched a new optics family designed especially for AR-platform rifles. The new AR Optics product line from Bushnell includes six new riflescopes that range in configuration from a 1-4x24mm scope for close target acquisition to a 4.5-18x 40mm scope designed for extended range shooting. The AR Optics series scopes all feature fast-focus eyepieces, and large-diameter, target=style turrets. Side parallax control is included, except the for the lower-power 1-4X models.
One nice feature of Bushnell’s AR line of optics are caliber-specific reticle options. With three bullet-drop compensation (BDC) reticles available in the AR Optics line: DropZone-22, DropZone-223 and BTR-1, the scopes are designed for ease of use and quick target acquisition. The Bushnell AR scope offerings boast fully multi-coated optics in durable one-piece tubes. Bushnell claims that its AR-line scopes are waterproof and fogproof.
Product Tip from EdLongrange. We welcome reader submissions.
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