Magnification: 4-16x - Objective Diameter: 50mm - Exit Pupil: 3.1-12.5mm - Field of View: 6.3-25.2 ft @ 100 yds - Tube Diameter - Other: 1 in - Eye Relief: 4in - Objective Outside Diameter: 57.3mm - Eyepiece Outside Diameter: 44mm - Weight: 19.4 oz - Overall Length: 14.7 in - Adjustment Graduation - Other: 1/4 in - Max Internal Adjustment: 50 MOA - Parallax Setting - Other: 50 yds - ? - Side Focus: Yes - Waterproof/Fogproof: Yes - Spot On Custom Turret: Yes - Parallax Adjustment: Yes - Matte Finish: Yes - Reticle: NikoPlex - Use: Centerfire Short/Mid Range Centerfire Long Range - See Clearly From Dawn to Dusk - MONARCH 3 Riflescope - This incredibly versatile riflescope has the big 50mm objective to draw in the light be it dawn or dusk plus a great magnification range for a variety of hunting situations. Scope includes an easy-to-reach side focus parallax adjustment for an unmatched sight picture from any shooting position. Nikoplex Reticle: A perfect choice for shooters wishing to have a clear field of view with one specific aiming point through their choice of optic the Nikoplex reticle is a great choice for shooters who want a simple aiming point that can still utilize all that Nikon’s Spot On Ballistic technology has to offer. Spring Loaded Instant Zero-Reset Turrets: To simplify field adjustments Nikon has integrated this feature into all MONARCH 3 Riflescopes. Just sight in at 100 yards as usual then lift the adjustment knob rotate to your “zero” and reengage. Ultra ClearCoat™ Optical System The difference is clear to see: Nikon has engineered the entire optical system to provide the shooter with a bright sharp and incredibly flat sight picture and light transmission up to its theoretical maximum- 95% for clear sight picture form dawn to dusk. Spot On Ballistic Match Technology Custom precision at your fingertips: The MONARCH 3 line is optimized for use with Nikon Spot On Ballistic Match Technology. Spot On allows you to discover all of the exact aiming points on the BDC reticle for your exact ammunition and load. Hand-turn 1/4 MOA Windage and Elevation Adjustments: Reticle adjustments are made in 1/4 MOA click-stop moves you can both feel and hear and with no backlash to make your shot creep off target. Positive click reticle adjustments get you zeroed in quicker and maintain your setting—even with repeated recoil and under rugged conditions. Rugged One-Piece Body Tubes: Engineered for minimum weight and maximum strength and durability Nikon builds these scopes from aircraft grade aluminum alloy and utilizes larger internal lenses for maximum resoloution. Larger tubes allow for the best resolution wider windage and elevation travel and superior low-light performance. Enhanced Mount Ring Spacing: Provides greater mounting versatility. Most MONARCH 3 models can be mounted to virtually any rifle action regardless of caliber- even magnum-length actions. MONARCH 3 Eyebox Technology: Keeps your brow safe—even with the heaviest recoiling cartridges lightweight rifles and severe shooting angles. Every model features an impressive 4-time zoom range and up to four inches of non-critical eye relief. A massive ocular lens delivers a huge exceptionally bright high-resolution sight picture. Waterproof/Fogproof: Nitrogen filled and O-ring sealed for confidence under any conditions. Smooth Zoom Control: Magnification reference numbers are viewable from the shooter’s position making adjustments in the field quick and precise.