Eotech Vudu FFP Black Anodized 5-25x 50mm 34mm Tube Illuminated Tremor 3 MRAD Reticle Features Throw Lever VDU525FFTR3

It combines reliable first focal plane ranging with a unique push/pull elevation turret's locking system and EOTECH's EZ Chek Zero Stop promote easy adjustment and instant return to zero. All in an ultra short design that leaves ample room to clip-on a night vision or thermal device behind rifle scope and make adjustments to the device without ever leaving the optic. - Magnification: 5-25x - Objective Lens: 50mm - Focal Plan: First Focal Plan - Eye Relief: 5x: 75-94 mm (2.96- 3.71 in) 25x: 83-92 mm (3.27 - 3.63 in) - Exit Pupil: 5x: 5.5 mm (.22 in) 25x: 2.1 mm (.08 in) - Field-Of-View (Degrees): 5x: 4.45 degrees 25x: 0.88 degrees - Field-Of-View (@100 Yards): 5x: 7.1 m (23.3 ft)25x: 1.43 (4.7 ft) - Exterior Finish: Flat Black; Type III anodized - Battery Type: CR2032 - Auto Power-Down to Sleep Mode: Approximately 2 hours - Battery Life Typical Time of Use at Room Temperature: Approximately 500 hours at middle brightness setting 5 - Overall Length: 285 mm (11.2 in) - Weight w/ Battery: 835 g (29.5 oz) - Tube Diameter: 34mm Manufacturer Part Number: VDU525FFTR3