The pixel tf-361 pawn radio trigger set allows you to wirelessly trigger your camera, speedlite and/or studio flash unit. the tf-361 is compatible with most canon, pentax, samsung and contax cameras, most canon speedlites and most studio flash units. the tf-361 uses a 2.4ghz radio frequency between the transmitter and receiver with a range of 80 meters, providing you with freedom of movement. further, the 2.4ghz radio frequency enables you to trigger multiple receivers and speedlites, effortlessly. The pixel tf-361 pawn radio trigger set is compatible with the following canon speedlites and canon, pentax, samsung and contax cameras: Speedlites Canon: 580ex ii, 430ex ii, 580, 430 Cameras Canon: eos 7d series, 5d series, 1d series, 6d, 50d, 40d, 30d, 20d, 10d, powershot g10, g11, g15, g12, g1x, sx50, eos 1200d, 1100d, 1000d, 700d, 650d, 600d, 550d, 500d, 450d, 400d, 350d, 300d, 100d, 60d series, 70d Pentax: k-5, k-7, k10, k20, k100, k200 Samsung: gx-1l, gx-1s, gx-10, gx-20, nx100, nx11, nx10, nx5 Contax: 645, n1, nx, n digital This triggerset is not compatible with: