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EXCERPT page containing first few paragraphs. 2019-11-12 19:08:53

47MP Panasonic S1R
Leica 90mm f/2 APO-Summicron-SL ASPH

Aperture Series: Painted Rock (Focus Stacked)

Panasonic S1R firmware version 1.0, Leica 90/2 APO firmware version 1.0.

This aperture series looks at imaging performance from f/2 through f/8 on the Panasonic S1R in Multi-Shot High-Res mode.

I had shot this scene two ways: one series focused on the eye and the other on the leading edge of the rock, doing so because I knew that the focus instability problem would damage sharpness across the series; I thought that one series might be usable. In total, neither series was satisfactory for all apertures. Later, I decided to make lemonade out of two lemon series: for each aperture, I used focus stacking for the frames at the same aperture for each series, tedious but well worth the results—the series speaks for itself.

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