Hawke Airmax 30 SF Compact IR 6-24x50, AMX IR Features Wide Angle optical system ideal for varmint/airgun Lightweight and compact construction - short eye relief 16 layer fully multi-coated optics for exceptional clarity Side focus control for parallax adjustment to infinity 30mm mono-tube chassis for superior strength Glass etched, red-illuminated AMX reticle 6 levels of brightness with off positions in-between 1/10 MRAD capped, resettable target turrets Fast focus eyebell and high torque zoom ring Side-focus parallax correction - 10 yds-infinity Field of view: 21.9-5.5 ft. @ 100 yds. Eye relief: 3" Length: 13" Weight: 23.6 oz. Waterproof, shockproof, nitrogen purged All-caliber rated Includes: lens cloth, lens covers, 3" sidewheel, CR2032 battery