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Back Focus
Back Focus is a mechanical adjustment for focusing a camera. It moves the image sensor in relationship to the lens to allow for different back focal lengths of lenses. This is important when fitting a zoom.
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no complaints
Alan from Penrose, CO
Very Pleased.
Jeff from Wadesboro, NC
found service very good quick delivery
peter from brooklyn, NY
awesome. I have always received great technical and customer support anytime there were issues.
Scot from Plant City, FL
easy ordering
Alicia from Syracuse, NY