Cannot get sharp focus on Sigma 600mm F8.0 mirror telephoto

Started May 7, 2012 | Discussions thread
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Scrudriva
Scrudriva New Member • Posts: 9
Re: Cannot get sharp focus on Sigma 600mm F8.0 mirror telephoto

Do have the steadyshot turned off? Steadyshot should only be used hand held,when the camera is used with a tripod it should be switched off.

Sonolta!

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wll
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