BiscottiGelato Offline Image Upload: Off
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I was shooting a graduation ceremony yesterday. I swapped my 17-55 to 70-200IS 2.8 on my 40D, was practicing and observing how people are walking through the stage and trying to find a good spot, etc. I did also take shots on the 70-200. After a while, all of a sudden my camera malfunctioned. I was unable to make it AF what-so-ever. I ensured the lens is on AF and not MF, and checked a whole bunch of other stuff and can't figure out why. Power On/Off, remove/reinsert battery, swapped lenses, etc. none worked. When I press down the shutter, it doesn't AF and whenI fully press the shutter it doesn't take the photos. All the menus that can be observed from the rear LCD and top LCD works. I can still change shutter speed value but doesn't seem to be able to change aperture when in 'M' mode. I cannot AF in Live-View either but can take the photo by pressing the shutter fully.....
In the end after much panic, I removed the BG-E2N grip and re-inserted it and that seemed to fix the problem..... The camera luckily worked for the rest of the day.....
Anybody know what might have been going on? This will be major disaster if it happen in a critical moment of a wedding or something.... Graduation was bad enough, just that I was lucky it wasn't my girl friend's turn to walk through the stage yet and I had a little time....
Please help, gonna cover 2 weddings for friends next year and don't really want this to happen. I know the importance of a back-up camera in weddings, etc so don't really need advice in terms of that. Thanks!
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