03-05-2016 09:11 AM
I have had my 30D for some time now, and it has worked flawlessly. Today, I tried mounting it to a tripod to take some pictures. It will not release the shutter. If I press the shutter release button, the indicators in the viewfinder all light up as usual, but the shutter will not release. If I activate the built in flash, pressing and holding the shutter release eventually causes the flash to blink as though in red-eye prevention mode, but the shutter will not release at all. Pressing the * button results in the flash firing.
The tripod is a Manfrotto model, which I have also had for some time and am using for the first time. The lens is a zoom tnat came with the camera. The camera is mounted mechanically to the tripod using a quick-release adaptor, also a Manfrotto product. The quick release adaptor has been on the cemera for some time, and it has operated flawlessly until I mounted it on the tripod today.
There are no electrical connections that I am aware of between the tripod and the camera, unless there's some hidden feature of which I am unaware. I have no remote shutter release, but planned to use the timed shutter release setting. Both the timed and normal modes work flawlessly when the camera is hand-held, both modes work flawlessly, but when the camera is on the tripod, it won't take a picture. I am flummoxed by this. Neither the camera manual nor the Manfrotto tripod manual are any help.
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03-05-2016 09:19 AM
It probably is not focusing. Make sure you have it on the green square and the lens switch set to AF. Try again.
03-05-2016 09:37 AM
If flash is blinking like that it sounds like it is too dark for camera to focus; thats the focus assist. Are you in a dark shooting situation?
03-05-2016 10:01 AM
Yeah, alll of the above, and be sure to observe the MFD, minimum focusing distance, of your lens.
03-05-2016 03:30 PM
Taken off the tripod, in exactly the same lighting situation and pointed at exactly the same subject the camera functions flawlessly.
03-05-2016 03:32 PM
Green square, lens set to AF, bright room lighting. Off tripod, functions normally. On tripod, will not release shutter and take a photo. I'm still stumped.
03-05-2016 03:33 PM
The ambient iight is bright enough to take a picture without flash. Again, when hand-held, functions exactly as it always has. On the tripod, it won't take a photo.