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Upgrade the memory of your 2020 iMac up to 128GB

Fujifilm GFX100S: Dark Frame Noise in 14-Bit and 16-Bit

This page looks at dark frame pattern noise at ISO 100, including the individual color channels (ProPhotoRGB color space) with both 14-bit and 16-bit captures.

All cameras have noise in the near-black shadows. One way to assess what gremlins might pop up in real-world images is to look at a dark frame shot with the lens cap on, at a high shutter speed—essentially zero exposure and thus capturing pure noise.

Fujifilm GFX100S: Dark Frame Noise in 14-Bit and 16-Bit

An interesting difference is seen between 14-bit and 16-bit capture.

Includes RGB and its color channels and grayscale for both 14-bit and 16-bit.

Dark Frame, heavily pushed
f1 @ 1/1000 sec, ISO 100; 2021-04-29 12:38:04
Fujifilm GFX100S + LENS_NA @ 0.1mm equiv (0mm)
RAW: push 5 stops, +100 Shadows, +100 Blacks

[low-res image for bot]

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