Leica 3-15x56 ER 5 Riflescope (German 4A)

Leica 3-15x56 ER 5 Riflescope (German 4A)

Leica 3-15x56 ER 5 Riflescope (German 4A)

B&H # LE5315X564A MFR # 51071

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Product Highlights

  • German 4A Reticle/2nd Focal Plane
  • 56mm Objective Lens
  • High Contrast Fully Multicoated Optics
  • 80 MOA Windage/90 MOA Elevation
  • 1/4 MOA Impact Point Correction
  • Capped Windage & Elevation Turrets
  • Nitrogen-Filled/Water and Fogproof
  • Parallax-Free at 50 yd/Side Focus
  • Anodized Aluminum Housing
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Leica 51071 overview

  • 1Description

The medium-to-long range 3-15x56 ER 5 Riflescope from Leica combines a very large objective lens, high contrast fully multicoated optics, and a 3-15x zoom magnification. The 56mm objective offers the highest light gathering capacity, which allows you to have clear images in very low lighting conditions and extends your hunting day from dawn to dusk. Aiming is parallax-free from 50 yards to infinity and the scope offers a 1/4 MOA per click impact point correction, a 80 MOA windage, and 90 MOA elevation adjustments with capped turrets that can be reset without tools.

Intended for big dangerous game like hunting a wild boar, the German 4a reticle is located in the second focal plane and will remain the same in size as you change the zoom factor on your scope. It has heavy posts that can be easily seen on dark targets in low light conditions.

The riflescope is nitrogen-filled water and fogproof and has a 30mm diameter main tube. The housing is made of aluminum alloy with a matte-black finish. The knurled zoom ring is located on an eyepiece and has a low profile lever for a fast one-finger zooming action. Also included with the riflescope are a lens cloth, objective lens and eyepiece covers.

Optical Performance

  • Zoom magnification: 3-15x
  • Objective lens diameter: 56mm
  • Fully multicoated for brighter, clearer, and high contrast images
  • Field of view at 100 yd: 36.25 - 7.25'
  • Exit pupil diameter: 16 - 3.7 mm


  • The German 4A reticle is located at the second focal plane
  • Heavy posts are easily seen with dark targets or in low light conditions
  • Intended for big dangerous game like wild boar hunting

Use and Handling

  • 80 MOA windage and 90 MOA elevation adjustment
  • 1/4 MOA impact point correction
  • Parallax-free from 50 yd to infinity
  • Eye relief: 3.8"

Construction Details

  • Main tube diameter: 30mm
  • Capped windage and elevation turrets can be reset without tools
  • Zoom ring has a low profile lever for a fast one-finger zooming action
  • Anodized aluminum housing
  • Nitrogen-filled fogproof
  • Waterproof
In the Box
Leica 3-15x56 ER 5 Riflescope (German 4A)
  • Cleaning Cloth
  • Ocular Cover
  • Objective Cover
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Leica 51071 specs

    Magnification 3 - 15x
    Light Transmission ≥90%
    Objective Lens Diameter 56mm
    Reticle German 4A reticle
    Second focal plane
    Field of View 36.25 - 7.25' @ 100 yd (11.1 - 2.21 m @ 100 m)
    Parallax Correction 50 yd (45.7 m) to infinity
    Eye Relief 3.8" (95 mm)
    Entrance Pupil 2.2 - 1.9" (56 - 49 mm)
    Exit Pupil Diameter 16 - 3.7 mm
    Vignetting 12%, at low magnification
    Diopter Adjustment ±2.5
    Filter Thread M 58x0.75
    Impact Point Correction 1/4 MOA
    Maximum Windage/Elevation Adjustment 80 MOA / 90 MOA
    Weatherproofing Waterproof
    Nitrogen-filled fogproof
    Operating Temperature -13 to 131°F (-25 to 55°C)
    Storage Temperature -40 to 185°F (-40 to 85°C)
    Dimensions Length: 15.3" (388 mm)
    Main tube diameter: 1.18" (30 mm)
    Objective tube diameter: 2.6" (66 mm)
    Eyepiece tube diameter: 1.63" (41 mm)
    Weight 25.5 oz (720 g)

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