The pixel tf-361rx receiver is compatible with canon, pentax, samsung and contax cameras and can be used to expand your pixel tf-361 pawn radio trigger set. the tf-361rx can be used to expand your pixel tf-361 pawn trigger set, enabling you to trigger multiple speedlites, cameras and/or studio flash units. The speedlite is simply placed on the hotshoe of the receiver which can be mounted on a light stand via the integrated ¼” female screw thread located on the bottom of the receiver. The pixel tf-361rx receiver 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, 5d series, 1d series, 6d, 50d, 40d, 30d, 20d, 10d, powershot g10/g11, g15, g12, g1x, sx50, 700d, eos 1100d, 1000d, 1200d, 650d, 600d, 550d, 500d, 450d, 400d, 350d, 300d, 100d, 60d, 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: