EXCERPT page containing first few paragraphs. 2020-09-22 10:04:13
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The Olympus Zuiko 75mm f/1.8 ED is a very sharp lens, but how much margin for error is available when focusing at relatively close range? And how is the total result affected by small changes in focus?
See also Making Sharp Images for much more on focus accuracy and focus shift.
This exposure was a full two (2) stops more than the camera indicated was correct; a 1-stop pull was used. The +2 exposure cuts the noise in half by √4 = 2. Always use ETTR with small sensor cameras to minimize noise.
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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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