EXCERPT page containing first few paragraphs. 2020-09-19 12:16:44
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Shot with Canon 5D Mark III.
This comparison was exacting. A nodal slider (camera mounted on plate that can be moved linearly) was used to match focus to within 1mm at f/1.4; the engraved 1mm marks allow precise focus adjustment (shoot, check, make exact adjustment, focus bracketing in 1mm increments).
Actual focal length being wider-angle for the Canon 35/1.4L, it was moved just a little closer to the scene, but because the nodal slider was used, the “angle of attack” was identical, and not very much different in any case.
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