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  1. #1
    No longer a newbie, moving up!
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    Canon 7D Zeikos grip

    So I recently bought a Zeikos 7D grip for.. my 7D. But this is Day 2, and the grip no longer communicates with my camera. Everytime I turn on the camera, it displays "cannot communicate with battery". But, I'm using 1 Canon (OEM, came with the camera) and 1 generic (Power2000). Both the batteries display the battery life / percentage perfectly fine if inserted individually into the camera (no grip). Which leads me to think that there's something wrong with my grip. Any ideas? Thanks!
    Canon 10D, Canon 7D;
    Canon 28-105mm f/3.5-4.5, Canon 28-135mm f/3.5-5.6, Canon 50mm f/1.4, Canon 70-200mm f/4, Sigma 105mm f/2.8 Macro;
    Canon Speedlite 580ex II, Canon Macro Ring Lite Mr-14ex;

  2. #2
    I spend too much of my life on TPF!
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    Try pushing the cartridge into the grip, my Rebel sometimes does this if I'm shooting weird angles.

    Also check the contacts on the grip.
    I Shoot FILM and a Canon 5D Mark I + 550ex + L glass

    AF Canons, AI and pre-AI Nikon stuff, and a Minolta (it's for sale)

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