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Canon EOS 40D Guide to Digital Photography by David D. Busch

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Underneath Your EOS 40D

There’s not a lot going on with the bottom panel of your EOS 40D. You’ll find a tripod socket, which secures the camera to a tripod, and is also used to lock on the optional BG-E2N battery grip, which provides more juice to run your camera to take more exposures with a single charge. It also adds a vertically oriented shutter release, Main Dial, AE lock/FE lock, and AF point selection controls for easier vertical shooting. There’s a terminal connector under a rubber cover to provide a connection between the 40D and accessories that fasten to the underside. To mount the grip, slide the battery door latch to open the door, then push down on the small pin that projects from the hinge. That will let you remove the battery ...

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