Leica 5-25x56 ER 5 Side Focus Riflescope (Plex)

Leica 5-25x56 ER 5 Side Focus Riflescope (Plex)

Leica 5-25x56 ER 5 Side Focus Riflescope (Plex)

B&H # LE5525X56P MFR # 51090
Leica 5-25x56 ER 5 Side Focus Riflescope (Plex)

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Product Highlights

  • Plex Reticle/2nd Focal Plane
  • 56mm Objective Lens
  • High Contrast Fully Multicoated Optics
  • 45 MOA Windage/50 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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Reticle: Plex

Magnum Ballistic

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  • 1Description

The extended range 5-25x56 ER 5 Side Focus Riflescope from Leica combines a very large objective lens, high contrast fully multicoated optics, and a 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 45 MOA windage, and 50 MOA elevation adjustments with capped turrets that can be reset without tools. The side focus adjustment option helps you to adjust sharpness of the reticle without taking your eye off the target.

Intended for fast centering of targets, the Plex 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 provides high target visibility in low light conditions and against dark backgrounds.

The riflescope is nitrogen-filled water and fogproof and has a 30mm diameter main tube. The housing is made anodized aluminum alloy with a matte-black finish. The knurled zoom ring is located an eyepiece a 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: 5-25x
  • Objective lens diameter: 56mm
  • Fully multicoated for brighter, clearer, and high contrast images
  • Field of view at 100 yd: 21.5 - 4.25'
  • Exit pupil diameter: 11 - 2.3 mm


  • The Plex reticle is located at the second focal plane
  • For fast centering of targets
  • Provides high visibility in low light conditions and with dark backgrounds

Use and Handling

  • 45 MOA windage and 50 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
  • Side focus adjustment
  • 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
UPC: 799429510909
In the Box
Leica 5-25x56 ER 5 Side Focus Riflescope (Plex)
  • Cleaning Cloth
  • Ocular Cover
  • Objective Cover
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Magnification 5 - 25x
    Light Transmission ≥90%
    Objective Lens Diameter 56mm
    Reticle Plex reticle
    Second focal plane
    Field of View 21.5 - 4.2' @ 100 yd (6.6 - 1.3 m @ 100 m)
    Parallax Correction 50 yd (45.7 m) to infinity
    Eye Relief 3.8" (95 mm)
    Entrance Pupil 2.2" (56 mm) max
    Exit Pupil Diameter 11 - 2.3 mm
    Vignetting 0%, at low magnification
    Diopter Adjustment +2.5 to -2.5
    Filter Thread M 58x0.75
    Impact Point Correction 1/4 MOA
    Maximum Windage/Elevation Adjustment 45 MOA / 50 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: 17" (431 mm)
    Main tube diameter: 1.18" (30 mm)
    Objective tube diameter: 2.44" (62 mm)
    Eyepiece tube diameter: 1.63" (41 mm)
    Weight 24 oz (680 g)
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