Ravin Illuminated Scope Black. 75-inch aluminum scope features a variable speed and arrow drop-compensation setting for crossbows that shoot between 300 and 425 FPS. Nine dot calibrated for 20-100 yards with a wide field of view. Rheostat controlled illuminated colored dots (red or green). An etched glass reticle and fully multi-coated lenses 1.5 to 5x optics. Flip up protective lens caps. Fog and weatherproof. Shock and recoil proof. Mounting rings (7/8") included. Specifications for Ravin Illuminated Scope: Manufacturer: Ravin Magnification: 1.5 - 5 x Reticle: Etched Glass Additional Features: Flip Up Protective Lens Caps Fogproof Weatherproof Included Accessories: 7/8 in Mounting Rings Length: 22.22 cm 8.75 in Magnification Type: Variable Package Contents: Ravin Illuminated Scope 7/8 in Mounting Rings Features a variable speed and arrowdrop-compensation setting for crossbows that shoot between 300 and425 FPS. Nine aiming dots are calibrated for 20-100 yards with a wide field of view.Features rheostat controlledilluminated colored dots (red or green). Fully multi-coated optics are fog proof and shock proof. Includes flip up protective lens caps and scope rings.