Kaiser 3250 KR 90 Ring Light Pro - Featuring 30 LEDs with a constant light output, the KR 90 Ring Light from Kaiser provides users with an even light source well-suited for close-up photography. The three-chip high performance LEDs have a rated illuminance of 153 fc at 1' and have an angle of coverage of 110° for working with a wide range of lenses and subjects. Also, users can get as close as 1.2" to their subjects. An adjustable power output dial is located on the rear. The ring is constructed from an aluminum alloy for durability and features an integrated rechargeable Li-ion battery with a 2 hour runtime at full power. The light can be mounted either to a standard 1/4"-20 tripod thread or a lens with a 77mm filter thread. Adapters for lenses with 52mm, 58mm, 62mm, 67mm, and 72mm threads are included along with a bag, quick charger, and car charger. Kaiser KR 90 Ring Light 52mm Adapter Ring 58mm Adapter Ring 62mm Adapter Ring 67mm Adapter Ring 72mm Adapter Ring Quick Ch