Nikkor Z 20 mm f/1.8 S with Nikon Z6


Scale =  arsec/pixel (Astronetry.net)

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f/1.8:


24 September 2025 - Nikon Z6


FWHM map



FWHM stat - Full-frame


FWHM stat - Center (521 × 512 pixels)




Half Flux Diameter map

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