The konuspro 275 was designed especially for muzzleloaders, helping to take the guess work out of hold over angles for even the most difficult of shots.Features lateral hash marks; glass engraved illuminated ballistic 275 reticle; multi-coated optics; approved for airguns; finger adjustable windage and elevation.Includes lens caps and lens cleaning cloth.Magnification: 3-10xObjective: 44mmField Of View: 38 - 12.50 ft @ 100 ydsEye Relief: 3"Tube Diameter: 1"Length: 12.40"Weight: 14.10 ozReticle: Illuminated Dual Engraved 275 Ballistic DotParallax Adjustment: 100 ydsProofs: Fog/Shock/WaterproofOptic Coating: Multi-Coated