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Olympus OM-D E-M5 Mark II

Examples with HighRes Sensor Shift Mode (Historical Items)

These examples were shot in high-res mode; see the resolution comparison for a discussion of hi-res versus standard resolution modes: file sizes, processing, etc.

Three lenses were used, see the data in the caption for each image. The lens and aperture clearly a limiting factor in the result, with f/6.3 the practical aperture limit if one wants the resolution benefits. The noise benefits and other sampling benefits accrue with more stopping down, but sharpness is quickly lost at f/8 and beyond.

Shooting and processing

A 32 megapixel size was chosen, because in image after image, it was hard to discern any benefit to going to 40 megapixels. Also, 32 megapixels is twice the native number of pixels (√2 linearly) and highly satisfactory for very well controlled noise, and very good sharpness.

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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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  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

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f5.6 @ 1/5 sec, ISO 200; 2015-03-09 13:18:19
E-M5MarkII + OLYMPUS M.75mm F1.8 @ 156mm equiv (75mm)

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