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

2021-04-29 • SEND FEEDBACK |
Related: dark frame, Fujifilm, Fujifilm GFX100S, Fujifilm medium format, Fujifilm mirrorless, medium format, noise

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]