Item description：
Product Description: Features:
Before you first use the cable to the camera shutter cable release socket, insert the plug socket on the signs on the signs aligned (some models), and then open your camera boot.
1, gently pressing the camera shutter button to start the camera auto-focus / metering system, focus is exactly half press the shutter;
2 Press the shutter release button, release the camera shutter can be a quick and stable shooting.
3 BULB door in the camera settings can be fully press the shutter release button and move forward (shutter line, there are shown), can lock the camera shutter for long exposure shooting, very convenient and quick.
• Applicable models:
1Ds 1D D2000 5D Mark II 5D2 5DII 5D 7D 50D 40D 30D 20D 10D D60/30 1v EOS-1v HS/EOS-3
Canon EOS 5D Mark II 10D 20D 30D 40D 50D 5D 7D 1Ds 1D
