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EXCERPT page containing first few paragraphs. 2023-06-05 22:37:26

Nikon D850 monochrome
Zeiss Otus 100mm f/1.4 APO-Sonnar

Examples: Eastern Sierra (Nikon D850 monochrome)

These ad-hoc examples show off the Zeiss Otus 100mm f/1.4 APO-Sonnar in the Eastern Sierra Nevada range of California in black and white, taken with the Nikon D850 monochrome.

I had no filters available for the Otus 100/1.4, so the images were made unfiltered, which means that tonal differentiation is not available. Its performance shown here is thus only to be bettered using appropriate filtration.

The Nikon D850 monochrome is a Nikon D850 with its color filter array (CFA) removed by NEF files converted to monochrome DNG via LibRaw Monochrome2DNG and “Method B”, then processed using Adobe Camera Raw. Doing so avoids any demosaicing and thus retains full spatial resolution.

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f4 @ 4.0 sec electronic shutter stitched from 24 frames (6 X 4), ISO 31; 2019-10-05 18:54:37
NIKON D850 monochrome + Zeiss Otus 100mm f/1.4 APO-Sonnar
ENV: Pine Creek Tungsten Mine, altitude 8250 ft / 2515 m, 52°F / 11°C
RAW: vignetting corrected, +100 Shadows, -100 Highlights, +50 Whites, USM {10,50,0}

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