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Forum: Pentax K-1 & K-1 II
05-12-2016, 04:37 AM
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In looking at the photo posted here, it looks like Sigma may not have paid too much attention to the run out of their mount. There is no real need to have any of the metal protruding beyond the edge of the metal on the camera mount. However It would not surprise me if that little edge measures a bit different on different lenses of the same model. Why take the time needed to machine a part more than absolutely needed. Hence some people are having the issue and some are not Until now it has not been a concern so why put a tight spec on it.
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