The Optika6 3-18x50 SFP scope has protected turrets for lateral and height adjustment. Standard click values for non-MIL reticles are 0.25 MOA, while MIL-based reticles have 0.1 Millradian per click settings. Available in various reticle configurations, including optional lighting and DichroTech, they are designed with hunters and shooters in mind. CHARACTERISTICS: - 10-year warranty. - Waterproof. - RD: Illuminated reticle type 4C - Magnification range: 3 - 18x - Objective lens: 50mm - Objective filter thread: M55x0.75 - Main tube size: 30mm - Pupil exit diameter: 9.5 - 2.8 mm - Eye / eye distance (mm / in): 100 // 3.94 - Field of view (m / 100m // ft / 100yds): 11.2-1.9 // 33.6-5, 7 - Field of view: 6.4 - 1.1 ° - Focal plane position: 2 - Diopter compensation: -2 / 2 D - Daylight transmission: 91% - Twilight transmission: 88% - Twilight factor: 12, 2 - 30 - Impact per click (cm / 100 m // in / 100yds): 0.7 // 0.26 - Elevation and wind adjustment range (cm / 100 m // in / 100yds): 262 // 94.3 - Parallax correction: 25 yards - infinity - Length (mm / inch): 371 / 14.61 - Weight (g / oz): 849/30 - Nitrogen Filled. - MeoBright 5501: Patented ion-assisted lens multi-coating applied to all optical surfaces. Developed by Meopta, MeoBrightTM ionization-assisted multi-coatings eliminate glare and reflections and provide industry-leading 99.7% light transmission per lens surface. - MeoShield TM: MeoShield TM ionization assisted coating protects the external surfaces of the lenses and offers greater resistance to scratching or abrasion in extreme conditions. MeoShieldTM meets military specifications for durability and surface hardness.