EXCERPT page containing first few paragraphs. 2023-03-25 03:22:14
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Aperture Series: Westering Sun Strafing Glaciated Highlands (Sony A7R)
This scene is all at great distance, with focus around 100 meters away. It yields insight into the across-the frame sharpness of the Loxia 50/2 Planar, and in particular, shows just how far one ought to stop down for corner to corner sharpness on such a scene.
Like every fast 50mm design (f/2 or faster), there is some field curvature, and this also influence the sharpness across the field, namely sharpness more or less distant from the focusing distance.
Also well revealed are the various aberrations to be seen when shot wide open; the high contrast areas show these plainly (see crops).
Westering Sun Strafing Glaciated Highlands
ACR 8.7.1 (311): ACR settings, Camera Profile = Camera Portrait. Some contrast applied (black point) and diffraction mitigation sharpening used at f/8 - f/11 - f/13.
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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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