This item combines the Canon Speedlite 430EX II and the Calumet Speedlight Modifier System in to one complete set.Canon Speedlite 430EX IIThe Speedlite 430EX II provides a level of versatility and capability to flash photography, the Speedlite 430EX II features a powerful flash (guide number of 141 ft./43m at ISO 100) with a fast recycling time in a compact, durable body. A one-touch quick-lock mechanism makes it easy to attach or detach the 430EX II from the camera and a metal foot has been added for strength and durability. Flash controls can now be set through the camera's LCD screen on compatible EOS Digital SLR cameras. The Speedlite 430EX II is also quieter, recycle time is 20% faster (as compared to the 430EX) and since it is compatible with Canon's wireless E-TTL, it can be used as an affordable "slave unit".Compatible w/ all EOS cameras. E-TTL II w/ EOS-1Ds Mark III, 1Ds Mark II, 1D Mark III, 1D Mark II N, 1D Mark II, 5D Mark II, 5D, 50D, 40D, 30D, 20D, Rebel T1i, Rebel XSi, Rebel XS, ELAN 7NE, 7N, Rebel T2. E-TTL w/ EOS-1v, 1Ds, 1D, 10D, D60, D30, Digital Rebel XTi, Digital Rebel XT, Digital Rebel, D2000, ELAN 7E, 7, IIE, II, Rebel Ti, K2, 2000, G, GII, IX, IX Lite.Features: Superior build quality, including a metal foot for added strengthApprox. 20% faster recycling time, compared to previous 430EXOne-touch, quick-lock mechanism for easy attaching/detaching flash from cameraFull flash control possible on camera menu, with compatible EOS Digital SLR camerasVirtually silent flash recycleFull swivel, 180° in either directionZoom flash head covers range of 24-105mm; maximum guide number 141 ft./43m at ISO 100Speedlight Modifier SystemExpand the creative capabilities of your portable flash easily and economically with this unique light-modifying system. Enjoy the ability to control contrast and color along with creating spotlight and other special effects with these light-control tools and accessories.Set up in a matter of minutes by placing the accessory and included mounting band around the speedlight head. Each of the three modifers attach the same way. Secure with the with hook-and-loop strap and begin shooting.