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Leupold designed the matte black 8.5-25x50 Mark 4 ER/T M5 Side Focus Riflescope for extended range tactical applications and outfitted it to withstand the toughest of conditions, carrying out the most demanding tasks. The optical system features Xtended Twilight Lens System with fully multi-coated lenses for improved image brightness and true color in low-light. Additionally, ion-assisted DiamondCoat 2 lens coating protects against debris and abrasions, and blackened-edge optical elements reduce stray light from glare, improving image contrast. To compensate for challenging lighting conditions, and to extend effectiveness at twilight, this riflescope offers a wide 50mm objective aperture. All optical elements are also made of eco-friendly, lead-free optical glass. Another highlight of this scope is the Tactical Milling Reticle (TMR), located in the 1st focal plane. It features four posts with mid-point reference bars and a crosshair with mil-based vertical and horizontal markings.
Complementing the advanced optical system, this riflescope also features a solid and precise opto-mechanical construction. The housing is made from aluminum and features a 30mm single-piece maintube purged with argon-krypton for a water and fogproof performance, a fast focus lockable eyepiece, and a slip-free texturing on low-profile M5 BDC turrets and other adjustment rings. The M5 BDC turrets feature precision graduations and allow 0.1 mil per click adjustment values for both windage and elevation, providing a total range of 80 MOA. Also noteworthy is the 3x twin bias spring erector system that provides more holding force to withstand recoil. To protect the optics during transport, this optic includes two flip-up lens caps.
1st focal plane
Four posts with mid-point reference bars
Crosshair with mil-based markings
Eight brightness levels
Parallax-free from 75 yd to infinity
8.2 - 25.1x actual magnification
50mm objective for challenging lighting conditions
Fully multi-coated optics
Xtended Twilight Lens System coatings improve image brightness in low-light
Ion-assisted coating process
Unparalleled resistance to scratching and abrasion
Blackened lens edges:
Reduce glare from stray light
Improve clarity and contrast
Eco-friendly, lead-free optical glass
Use and Handling
80 MOA windage and elevation ranges
M5 BDC - Bullet Drop Compensation turrets:
0.1 mil impact point correction
30mm maintube diameter
Single-piece aluminum housing
Fast focus locking eyepiece
Flip-up lens covers included
Tall, tactical-style finger-operated turrets
Side focus parallax corrector
Twin Bias Spring, 3x erector system
Waterproof and fogproof
In the Box
Leupold 8.5-25x50 Mark 4 ER/T M5 Side Focus Riflescope (TMR Reticle, Matte Black)
Protective Lens Covers
Golden Ring Full Lifetime Transferrable Warranty
Table of Contents
8.2 - 25.1x
Objective Lens Diameter
TMR reticle 1st focal plane
Field of View
11.2 - 4.4' @ 100 yd / 3.7 - 1.5 m @ 100 m
75 yd / 68.6 m to infinity
5.2 - 3.7" / 132.1 - 94.0 mm
Exit Pupil Diameter
5.9 - 2 mm
Impact Point Correction
Waterproof and fogproof
14.5" / 368.3 mm
22.5 oz / 637.9 g
Leupold 8.5-25x50 Mark 4 ER/T M5 Side Focus Riflescope (TMR Reticle, Matte Black) Review