The Canon LC-5 Wireless Controller Set is an extended range infrared strobe-type wireless control system designed for professional and advanced amateur users of EOS cameras with the N3 remote control socket (EOS-1Ds Mark II, 1Ds, 1D Mark II, 1D, 5D, 7D, 10D, 20D, 30D, 40D, 50D, D60, D30, D2000, 1V HS, 1V, EOS 3, etc.) The LC-5 remote system is very handy for taking pictures of subjects that are difficult to approach, or to minimize vibration for close-ups and time exposure.
The remote fires the camera from a maximum distance of ~300' (90m), and several sets of LC-5 remotes can be linked together for greater distances. There are 4 control modes: single exposure, continuous exposure, test, and a 3.5-second delay mode. The 2-stage switch permits individual control of metering and shutter release, and can be switched to single-step mode if desired. Three transmission channels are available to prevent interference between adjacent units, as well as the "All" position for operating several cameras from 1 individual transmitter to multiple receivers.
The LC-5's receiver can be mounted on the camera hot shoe, but the set also comes supplied with a mounting bracket that leaves the hot shoe free for a flash. It is powered by 8 AA alkaline-manganese, NiMH, or NiCd rechargeable batteries (4 for transmitter & 4 for receiver).