EXCERPT page containing first few paragraphs. 2019-02-22 11:37:01
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Optical distortion is a difficult challenge for a 15mm lens, so how does the Voigtlander 15mm f/4.5 perform?
Distortion, uncorrected vs corrected
Image rotated by 0.15° for perfect leveling, then cropped slightly.
Optical distortion is extremely well controlled for a 15mm lens—about as good as it gets. One might almost get away with not correcting for it, even for architectural work.
The corrected version using the Adobe lens profile has the added benefit (perhaps) of pushing the corners out of the image just a bit—not a loss given the poor corner performance. However, the actual pixels crop shown further below makes plain that distortion correction causes a loss of micro contrast.
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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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