Hi
In case of interest, the November 2018 issue of Micscape e-zine has a review of Julian Cremona's latest book published in September as below.
The author notes that it covers the mag ratio 5:1 - 30:1 and beyond (on a 35 mm equivalent sensor). His earlier book covered 1:4 to 4:1.
David
www.micscape.org
"Beyond Extreme Close-Up Photography" by Julian Cremona.
Published by The Crowood Press, September 2018.
Complements the author's earlier "Extreme Close-up Photography and Focus Stacking" by the same publisher.
"Beyond Extreme Close-Up Photography" by Julian Cr
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The review itself mentions glaring gaps in the treatment, to the point where I doubt the bok would be helpful to most of us, and might be misleading for beginners.
For example, the reviewer notes
For example, the reviewer notes
Some of these are really basic and essential (and interesting!) topics. How could they have been left out?"Expanding the section on objective lens may have been merited as some technical aspects aren't discussed: 1) The difference between fully corrected objectives such as the popular Nikon CF range and older that were designed to be used with compensating eyepieces for full correction. The latter if used need assessing (e.g. with a micrometer slide) for their extent of aberration control such as chromatic and non-planarity especially towards the edges. 2) The importance of numerical aperture on resolution and depth of field. 3) The tolerance of objectives to departure from their prescribed tube length."