New Compact Design -- Compact design (only 3.2 oz.) allows for unobtrusive on-camera flash. New 50ø Downward Tilt -- On-camera close ups from 1 to 3.3 feet. New 17mm Wide Flash adapter -- Wide flash adapter for use with lenses as wide as 104ø angle of view. New Built-in Infrared Remote Commander -- Allows for triggering of off-camera speedlights during wireless multiple-flash operations. New Built-in Wireless Flash -- Operates as a wireless speedlight for multiple-flash photography up to 131 feet. New Multi-Platform Capability -- Operates with Nikon 35mm and Digital SLR as well as select Coolpix products. New Safety Lock System -- Locking system assures positive contact between SB-30 and SLR in use. Guide Number -- 52 at ISO 100 with 28mm.