EXCERPT page containing first few paragraphs. 2019-03-24 21:41:51
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How good is the 28-45 zoom compared to its 35/3.5 prime?
This comparison is at relatively close range, but other comparison show similar results at greater distance. The change in perspective is due strictly to the lens change—the camera did not move—the 28-45mm is a large lens and its entrance pupil is significantly different than the 35/3.5, which changes the perspective.
Additional sharpening was used to counteract diffraction for the f/9, f/13 exposures as per Mitigating Micro Contrast Losses from Diffraction Blur in Making Sharp Images (minimal for f/9).
There’s not much of a contest here. The thing is, this was true in every comparison: the first one (not shown) I was skeptical of some kind of odd mistake (albeit inexplicable), but the consistent results could not be denied. This comparison shows the differences.
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These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).
- In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
- How to configure menus and buttons and best operating practices, gotchas and how-to.
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- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.