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Questions & Answers
What is the difference between first focal plane and second focal plane? Manufacturer Answer

First focal-plane reticles will scale with magnification, keeping your subtensions accurate to size at any magnification. Second focal-plane reticles will require the shooter to be on the denoted magnification for subtension accuracy, or, use a mathematical equation to understand the subtension value change with magnification change!

by Vortex, Manufacturer, January 22, 2025
Does it have locking turrets or zero stop Expert Answer

The Vortex Viper HD 5-25x50 Rifle Scope features an exposed locking elevation turret, and a capped windage turret.

by Ethan, Gear Expert, January 22, 2026
Customer Reviews
Helpful Positive Review
vortex viper 5-25-50 scope with milrad by chas, Verified Owner, August 8, 2024
Good clarity good magnification so far I like it also eye relief is forgiving used 20 moa rail with warne 30 mm rings
3/3 found this helpful
Helpful Positive Review
Viper HD 5-25x50 by Hozer, Verified Owner, August 29, 2024
The name says it all. Vortex has done it again with the new viper lineup. First the exposed locking elevation turret with the rev stop zero stop system is one of my personal favorites from the vortex line up and other brands I’ve owned in the past. S...
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5/7 found this helpful
Helpful Positive Review
Retired driver by Matt, Verified Owner, January 1, 2025
Vortex has come thru again by the premise of doing what they say. The quality and function is what they say it is, clarity across the spectrum seems to be great to me as well as tracking. Quality product and then some above its price point.
2/2 found this helpful
Helpful Positive Review
great Scope by Todd Cundiff, June 25, 2025
This is a really good product for PRS shooting. Clear glass, zero stops are nice and firm, turrets track all over then right back to zero. Very consistent tracking when going back to set DOPE. Vortex has the best warranty. The wife said its ok to buy...
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2/3 found this helpful
Helpful Positive Review
Vortex viper hd by Rscarnage, Verified Owner, March 2, 2025
Got a good deal and it’s worth every penny. It’s not heavy as it looks and the image quality is sharp.
1/1 found this helpful
Helpful Positive Review
WOW!!! Amazing by Rob Farley, Verified Owner, December 29, 2024
I should have purchased this sooner. If you need to view your target 400 yards away, this is the scope. Highly recommend. Quick shipping, great packing at a great price. I was about to see my target extremely clear at 400 yards away.
2/2 found this helpful
Read All 25 Reviews
Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
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Product Info for Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane

When success rides on the perfect shot, rely on the exceptional versatility and optical performance of Viper HD. From big game to predators, theres a proven model for every hunting application. Each member of the Viper HD family delivers outstanding image clarity, resolution, and sharpness to ensure your target comes into view with sharp detail. Viper HD also boasts enhanced features for unmatched accuracy at extended ranges while also excelling in the low light of dawn and dusk when game is most active.image

Specifications for Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane:

Manufacturer: Vortex
Objective Lens Diameter: 50 mm
Magnification: 5 - 25 x
Tube Diameter: 30 mm
Reticle Focal Plane: First Focal Plane (FFP)
Illumination Color: Red
Field of View, Linear: 23.6 - 4.7 ft at 100 yds
Eye Relief: 3.4 in
Color: Black
Weight: 25 oz
Length: 18.75 in
Parallax: 20 yds to infinity
Illumination Type: LED
Battery Type: CR2032
Width: 3.75 in
Fabric/Material: Aircraft Grade Aluminum
Height: 4.5 in
Optical Coating: Fully Multi-Coated
Weather Resistance: Waterproof, Yes
Water Resistance Level: Waterproof
Shockproof: Yes
Fogproof: Yes
Battery Quantity: 1
Magnification Type: Variable
Gun Type: Rifle

Features of Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane

  • Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission.
  • Provides precise aiming under low-light conditions.
  • For increased travel.
  • Integrated locking mechanism prevents accidental adjustments. Elevation turret provides fast, accurate, easily read elevation adjustments.
  • Scale of reticle remains in proportion to the zoomed image. Constant subtensions allow accurate holdover and ranging at all magnifications.
  • For a rock-solid return to zero after turret adjustments.
  • Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance.
  • Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.
  • Gas purged and O-ring sealed for fogproof and waterproof performance in all conditions.
  • Allows quick and easy reticle focusing.
  • Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
  • Low Glare Matte Black Anodize Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position.
  • Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
  • Designed to withstand harsh weather conditions.
  • Nitrogen gas purging prevents internal fogging over a wide range of temperatures.
  • Designed to withstand the highest levels of recoil and impact.

Package Contents:

  • Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane
  • Neoprene Cover
  • Sunshade
  • RevStop Zero Ring
  • Custom Turret Tool
  • CR2032 Battery
  • Lens Cloth

Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane Orderable Models

List of Orderable Models

  • Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane, VMR-4 MRAD Reticle, Black, 15.2in, 25oz, VPR-52502 , MPN: VPR-52502 , UPC: 843829136969 , Code: VX-RS-NBG3-VPR-52502
  • Vortex Viper HD 5-25x50 Rifle Scope, 30mm Tube, First Focal Plane, VMR-4 MOA Reticle, Black, 15.2in, 25oz, VPR-52501 , MPN: VPR-52501 , UPC: 843829136952 , Code: VX-RS-NBG3-VPR-52501
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Last updated 2026-08-17 UTC.