EXCERPT page containing first few paragraphs. 2019-06-26 14:20:30
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This series with with lens 'swing' (left/right tilt) shows optical performance of the Nikon 19mm f/4E ED PC-E on a near-to-far subject.
Tilt is in theory an outstanding feature in that it can evade the limitations on depth of field, at least with subject matter that conforms to a planar layout. In practice, the lens has to deliver high quality even when tilted for this to have value. But when tilt is utilized, the rays hit the sensor cover glass at an angle which degrades performance, and that’s in addition to any optical shortcomings. This series looks at actual real-world results with tilt.
Oak Tree and Deck with Lens Tilt
Adobe Camera Raw 9.8.0 (692): view ACR settings. Camera Profile=Adobe Standard.
A few millimeters of fall (downward shift) was used for this series—a typical combination that ought to be the forte of a tilt-shift lens.
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Diglloyd DAP is DSLR-oriented, but also contains workflow and other topics. Much of the focus is on Canon and Nikon but also Pentax and Pentax medium format.
Special emphasis is placed on lens evaluation, focusing on Canon and Nikon and Sigma lenses, but with a few others like Rokinon/Samyang.
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