FujiFilm X30 vs FujiFilm XF10: read noise comparison

Input-referred read noise at base ISO: FujiFilm X30 2.7 e⁻ (ISO 100), FujiFilm XF10 2.8 e⁻ (ISO 200).

FujiFilm X30

The FujiFilm X30 was measured at 14 ISO settings from ISO 100 to ISO 3200. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (100) read noise is 1.06 DN, or 2.7 electrons at the sensor. From ISO 400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 9,872 electrons; unity gain is around ISO 260.

FujiFilm XF10

The FujiFilm XF10 was measured at 19 ISO settings from ISO 200 to ISO 12800. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (200) read noise is 1.84 DN, or 2.8 electrons at the sensor. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 23,328 electrons; unity gain is around ISO 300.

FujiFilm X30 vs FujiFilm XF10 read noise table

ISO	FujiFilm X30	FujiFilm XF10
100	1.057	–
200	1.853	1.840
250	2.266	2.158
320	2.848	2.657
400	3.458	3.182
500	4.112	3.891
640	5.063	4.724
800	6.277	5.776
1000	7.835	7.111
1250	9.849	8.694
1600	12.126	10.556
2000	14.825	12.996
2500	18.636	16.223
3200	23.425	20.678
4000	–	24.590
5000	–	31.125
6400	–	38.854
8000	–	50.213
10000	–	63.119
12800	–	79.893

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