Steiner 4-20x50 GS3 Riflescope (Steiner Plex S7 Reticle)

Steiner 4-20x50 GS3 Riflescope (Steiner Plex S7 Reticle)

Steiner 4-20x50 GS3 Riflescope (Steiner Plex S7 Reticle)

B&H # ST4X20X50S7R MFR # 5007
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Product Highlights

  • S7 Reticle, 2nd Focal Plane
  • 30mm Main Tube Diameter
  • 1/4 MOA Impact Point Correction
  • 40 MOA Windage / 60 MOA Elevation Ranges
  • Waterproof / Fogproof / Sock Resistant
  • Parallax Range: 164' to Infinity
  • Anodized Aluminum Housing
  • Coatings Improve Contrast (CAT)
  • 50mm Objective for Low Light Conditions
  • 4-20x Zoom Magnification
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  • 1Description

This 4-20x50 GS3 Riflescope with S7 Reticle from Steiner features Color Adjusted Transmission (CAT) lens coatings that maximize image contrast at the peak of the human eye sensitivity range. The improved contrast helps you separate your game from the background and make accurate shots. This riflescope also features a 4-20x zoom for medium to long range targeting and a wide 50mm objective diameter for gathering more light and improving visibility in low light conditions that can be found at dusk and dawn. To help you compensate for a wind drift and bullet drop, there are a 40 MOA windage adjustments and a 60 MOA elevation adjustments with a 1/4 MOA point impact correction. The scope is also parallax-free at a 100 yd.

The Steiner Plex S7 Reticle features ballistic lines to help you determine holdover distances and help compensate for crosswinds. The hash marks below the center help you compensate for a bullet drop at ranges of 200, 300, 400, 500, 600, and 700 yards. The reticle also features a series of horizontal lines under the crosshair, which help you to compensate for 5 and 10 mph cross winds. If the wind is 5 mph, use the inner edge of the line. For a 10 mph wind, use the outer edge to compensate for wind drift.

To enable you to use and store this riflescope in a wide range of environmental conditions, the housing is made from matte black anodized aluminum and offers protection against recoil shock, water immersion, and fogging of the lenses. While the windage and elevation knobs are resettable and capped, the knurled diopter and zoom rings allow easy adjustments. The zoom ring also has a low profile fin for easy one finger adjustments. Also included with the scope is a lens cloth.

Steiner Plex S7 Reticle

  • Crosshair with bullet drop and wind drift subtensions
  • Hash marks account for bullet drop at ranges of 200, 300, 400, 500, 600, and 700 yd
  • Wind drift lines account for 5-10 mph wind
  • Reticle is in the second focal plane

Optical Performance

  • Objective diameter: 50mm
  • Magnification: 4 - 20x
  • Linear field of view: 25.8 to 5.5' @ 100 yd
  • CAT coatings maximize contrast at the peak of human eye's sensitivity
  • Parallax correction range: 164' to infinity
  • Eye relief: 3.5 to 4.25"

Use and Handling

  • 1/4 MOA per click impact point correction
  • 40 MOA windage adjustment range
  • 60 MOA elevation adjustment ranges
  • Capped resettable adjustment knobs

Construction Details

  • Main tube diameter: 30mm
  • Anodized aluminum construction
  • Knurled zoom ring has a low profile fin for easy adjustments
  • Knurled diopter ring
  • Nitrogen-filled fogproof
  • Shock resistant
  • Waterproof
UPC: 000381850072
In the Box
Steiner 4-20x50 GS3 Riflescope (Steiner Plex S7 Reticle)
  • Lens Cloth
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Magnification 4 - 20x
    Objective Lens Diameter 50mm
    Main-Tube Diameter 30 mm
    Reticle Steiner Plex S7
    Subtensions bullet drop and wind drift
    Field of View 25.8 - 5.5' @ 100 yd (7.5 - 1.6 @ 100 m)
    Eye Relief 3.5 - 4.25" (90 - 108 mm)
    Exit Pupil Diameter 11 - 2.5 mm
    Impact Point Correction 1/4" MOA
    Maximum Windage/Elevation Adjustment Elevation: 64 MOA
    Windage: 40 MOA
    Parallax Correction Range: 164' to infinity
    Diopter Range + 2 to -3
    Operating Temperature -13 to 149°F (-25 to 65°C)
    Weatherproofing Waterproof
    Nitrogen-filled fogproof
    Shock resistant
    Length 15" (36.1 cm)
    Weight 22 oz (772 g)
    Packaging Infobzbwyadybzcdzbbwczserzdtcytdyfxqtdbs
    Package Weight 2.3 lb
    Box Dimensions (LxWxH) 18.4 x 4.3 x 3.6"
    4-20x50 GS3 Riflescope (Steiner Plex S7 Reticle) is rated 3.0 out of 5 by 1.
    Rated 3 out of 5 by from Does not meet expectations I had pretty good expectations for this scope considering the Steiner reputation with German optics and being built in the USA.Unfortunately it does not meet my expectations when considering the price.The inside of the tube reflects a lot of light. The sight picture is not as clear and colors not as vivid because of this stray reflected light clouding up the actual image. On the first day I had my Bushnell elite tactical 3.5-21x50mm scope for comparison. Throughout the zoom range the bushnell was sharper, more forgiving in terms of eye placement, and a flatter image. It was cloudy near the end of the day so I decided to try it the next day in bright light. Unfortunately nothing much changed.Eye placement with this Stiner 4-20x50mm GS3 is too finicky. At 8x-20x I am almost unable to position my eye so that the whole image is sharp. Most times a large portion of the image (half) is blurry and cloudy. This happens at magnifications of 8x - 20x. At 4x it is acceptable. I get a lot of fatigue looking through this scope for any length of time. Going back to the Bushnell Elite Tactical (or any of my leupold vx-2 / vx-3) is a breath of fresh air to my eyes. I wondered if the scope came adjusted to the extremes of elevation or windage, so I centered each dial throughout it's full number of turns but still observed the same effects. The reticle does not remain black if you have light entering the scope from the eyepiece. I'm guessing it's not an etched reticle. At this price range you are getting very close to scopes with front focal plane reticles. For my application it wasn't necessary so that didn't bother me; I was willing to pay more if this had better optics than the competition.Surprisingly when the scope is fully zoomed out to 4x I set the parallax so the object doesn't move relative to the reticle. However, when I zoom in to, say, 12x, I find I need to adjust the parallax knob again because now the object moves relative to the reticle. This was the first scope I noticed which had this inconsistency. My Bushnell 3.5-21x50 doesn't do this. On the Bushnell I set the parallax and it's right on through the whole 3.5-21 magnification range.I really like how large the sight picture is. For a 50mm objective it produces a large sight picture. From 4-8x it is plenty bright. I like the function of the scope. All dials are easy to adjust and feel good. The scope is neither very heavy nor light. It feels well built. Not as tough feeling as a Nightforce NXS but something that would easily hold up to regular target / hunting use. I enjoyed the reticle shape and size. The lenses have nice anti-reflective coatings on them. I like the lifetime warranty, though I didn't make use of it and don't know how the experience would be.For the price I wish it came with a pair of lens covers (like the rubber bikini style on cheaper Leupolds). For me, Bushnell's are the lower limit of optical quality I want to use. I'm always on the lookout for better optics. I wanted to try the Steiner and was expecting optics on par with Leupold or better. I was very sad to see it was a significant downgrade to my two bushnells. I am going to return this scope and replace it with a Leupold 4.5-14x50mm VX-3i with side focus for less money. I haven't tried any more expensive Steiner scopes and will keep an open mind if the time comes for a more expensive scope.
    Date published: 2017-06-13
    • y_2018, m_7, d_16, h_19
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