EXCERPT page containing first few paragraphs. 2020-09-22 09:45:34
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Flare behavior of the Loxia 85mm f/2.4 is explored on this page.
Sunstar in Lundy Canyon
I shot a dozen or so frames with the sun like this, and all showed the same diffuse sunstar. The diffuse sunstar is disturbing by looking out of focus, yet it cannot be since focus was on the trees and they are bitingly crisp. The diffuse sunstar is accompanied by horizontal banding-like lines, but they do not look like noise. Rather the diffuse sunstar and the color around it and the horizontal lines look like some reflection internal to the sensor. Given the crisp sunstars in other situations (see 2nd example), that is the theory I’m going with.
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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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- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
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