DIY RF Remote-Controlled Camera Takes Photograph

Things you need:
1 x Camera
1 x RF remote control kit (transmitter&receiver)
1 x Shutter release cable
1 x Power supply DC12V
3 x short lines

First step: wire the receiver according to the wiring program

Second step: Plug the shutter release cable to the camera, the other side to the receiver.

Third setp: Press button A to Focus. Press button B to take photograph.
(Button C is for B Stop, but we didn't use it.)

Remote distance can be 50 meters.

http://www.rfcontrolsystem.com