at3 tactical rd-50 red dot sight + 3x rrdm red dot magnifier combo kit at3 tactical red dot sight technical specs power / obj. lens: 1x23mm reticle: 2 moa red dot lens coating: multi-coated weight: 3.6 oz mounting length: 1.1 inch / 28 mm total length: 2.4 in / 61.8 mm exit pupil: 22mm battery type: cr2032 (renata cr2032 battery included) battery life: up to 50,000 hours on lowest setting. approx. 5,000 hour with typical use windage/elevation click value: 1 moa per click adj range: +/- 35 moa eye relief: unlimited parallax adjustment: fixed field of view: unlimited night vision compatible: no nitrogen filled: yes waterproof/fogproof: yes body material: 6061 aluminum finish: matte black anodized magnifier specs <p>features</p> <ul> <li>fast focus adjustment ensures a crisp sight image</li> <li>magnifier body made of durable 6061 t6 aluminum with matte anodized finish</li> <li>mount body made of steel with matte black finish</li> <li>shockproof optic with ruggedized rubber shrouding, built to withstand recoil of any weapon, including shotguns and large-caliber rifles</li> <li>scratch-resistant optical coating</li> </ul> <p>important fit note: </p> <p>designed for use with "absolute cowitness" red dot sights or "lower 1/3 cowitness" red dot sights. optic may not be perfectly aligned but guaranteed for function with rd-50 pro and at3 leos red dot sights</p> <p>rrdm magnifier technical specs</p> <ul> <li>magnification: 3x</li> <li>objective lens diameter: 23mm</li> <li>mount height: 1.5in from the base center of optic</li> <li>eye relief: 2.4in</li> <li>exit pupil: 7.0mm</li> <li>field of view: 49 ft @ 100 yds</li> <li>length: 4.2in</li> <li>weight: 11.6oz with mount</li> <li>optics coating: fully multi-coated</li> <li>material – 6061 t6 anodized aluminum body on magnifier</li> <li>included in the box: flip to side mount, 3x magnifier, hex key, lens cleaning cloth</li> </ul>