EXCERPT page containing first few paragraphs. 2020-09-25 03:16:19
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Don’t wreck the lens mount on your Sony NEX by tripod mounting the tiny body with a large lens. Or by holding the camera alone, and letting the lever effect of a heavy lens put stress onto the mount.
It doesn’t take that much force to subtly warp a lens mount. If you do that, you’ll end up with skew problems (uneven sharpness). Replacing the mount is very expensive.
You can’t see such damage; it might only be 10 or 20 microns of warping, but that’s huge in terms of what it can do to the image onto the sensor. Trust me, I’ve been there with my Nikon DSLRs (can be a $500 repair).
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.
Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.
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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
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