Shutter release remote cord can be used to reduce camera shake or keep the shutter open during a bulb exposure. Enhance clarity of pictures .It is really a very useful and helpful tool.
It can be pressed halfway for auto-focus and exposure metering. And, a shutter release button lock is available which for long exposures shooting and continuous shooting helpfully.
Press the button half way to activate the autofocus and set the shutter speed
Press the button completely to shoot
For long exposures (camera should be in Bulb Mode), press the button down completely and slide in the direction of the arrow / hold, which locks the pressed button, slide the button back to its original position when finished
Length of cord:80 CM
Compatible With: CANON EOS 1D, 1D Mark II / 1D Mark II N / 1D Mark III / 1Ds /1Ds Mark II /1Ds Mark III
CANON EOS 5D, 5D Mark II / 7D / 10D / 20D / 30D / 40D / 50D / D30/ D60 / D2000
CANON EOS Film SLR EOS 1V /1VHS
1 x Shutter Release Remote Cord