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Vanguard Endeavor RS-E 3-9X40 Riflescope

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Vanguard puts a modern take on the classic scope with their 3-9x40 Endeavor RS Riflescope. It's relatively low magnification range is ideal for big-game hunting at medium to long-range. The 40mm objective gives the scope enhanced low-light performance over smaller objectives while reducing the bulk and snag-potential often associated with larger lenses. Complementing the zoom and objective is the use of HOYA extra low-dispersion (ED) glass to correct for chromatic and spherical aberration, and anti-reflection multicoatings to produce images that are bright, crisp, and clear with true color rendition.

The reticle is situated on the rear (second) focal plane, and features a crosshair design so that the thin center hairs will provide precision aiming without obstructing distant targets. To get you on-target faster, the covered turrets feature 1/4 MOA per click impact point correction with a total of 57 MOA windage and elevation adjustment range. A Rapid Focus Eyepiece and a simple-to-use zoom collar allow for fast and easy transition from one subject to the next or for accurate tracking of moving targets.

Designed to withstand the rigors for the wild, the housing is made of T6061 aluminum alloy with a 1" one-piece main-tube, and a corrosion and scratch resistant anodized finish. It is nitrogen-filled and O-ring sealed to be waterproof and fogproof in all but the most extreme conditions and temperatures.

Optical Performance

  • 3-9x zoom magnification
  • 40mm objective lens
  • HOYA extra low-dispersion glass reduces chromatic and spherical aberration crisp images and true color rendition
  • Anti-reflection multicoated optics
  • 200-89' field of view at 100 yards


  • Duplex crosshair reticle
  • Situated on second (rear) focal plane
  • Reticle etched onto the glass for permanent placement
  • Duplex crosshair features thick outer posts and thin center hairs that won't obstruct small or distant targets

Use and Handling

  • Covered turrets
  • Rapid Focus Eyepiece for faster target acquisition
  • 1/4 MOA per click impact point correction
  • 12 MOA per turret rotation
  • 57 MOA windage and elevation adjustment range


  • 1" one-piece main-tube
  • Lightweight and durable T6061 aluminum alloy
  • Corrosion and scratch-resistant anodized matte-black finish
  • Nitrogen-filled, water and fogproof
  • Duplex Crosshair Reticle, SFP
  • 1" One-Piece Main-Tube
  • 1/4 MOA / Click Impact Point Correction
  • 57 MOA Windage & Elevation Adjustment
  • Nitrogen-Filled, Water and Fogproof
  • Parallax-Free to 100 yd
  • Anodized T6061 Aluminum Housing
  • HOYA Extra Low-Dispersion Glass
  • Anti-Reflection Multicoated Optics
  • Rapid Focus Eyepiece
Magnification 3 -9x
Objective Lens Diameter 40mm
Main-Tube Diameter 1"
Reticle Duplex crosshair, SFP
Angle of View 3.8 - 1.7°, actual
Field of View 200 - 89' @ 100 yd / 67 - 30 m @ 100 m
Parallax Correction Parallax free at 100 yd
Eye Relief 11.6 - 8.5 cm
Exit Pupil Diameter 13.3 - 4.4 mm
Impact Point Correction 1/4 MOA per click
Windage/Elevation Adjustment 57 MOA
Weatherproofing Nitrogen-filled, water and fogproof
Battery / Runtime N/A
Length 14.0" / 35.6 cm
Weight 20.8 oz / 590 g

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