EXCERPT page containing first few paragraphs. 2021-12-02 16:20:48
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For all image-forming light, the Loxia 50mm f/2 Planar offers outstanding overall contrast. But In the field, the one thing that must be avoided is direct sunlight which grazes the front element yet is not light forming part of the image.
At first, it seemed that perhaps the presence of a polarizer might be inducing such flare, but removing it, the effects were little changed (though a polarizer can negatively affect contrast), and many other scenes confirm the behavior.
Virtually every 50mm lens will have issues similar to that seen here, with the sun near frame edge.
Here, the sun was just above the edge of the frame, so close that multiple attempts were needed to make an image free of fingers (a hand was used to shade the lens).
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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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