Nikon D60 vs Nikon D600: read noise comparison

Input-referred read noise at base ISO: Nikon D60 14.8 e⁻ (ISO 100), Nikon D600 4.1 e⁻ (ISO 100).

Nikon D60

The Nikon D60 was measured at 6 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 2.13 DN, or 14.8 electrons at the sensor. From ISO 200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 1600 don't change analog gain (digital push). Full well at base ISO is about 28,451 electrons; unity gain is around ISO 700.

Nikon D600

The Nikon D600 was measured at 26 ISO settings from ISO 50 to ISO 25600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (100) read noise is 0.86 DN, or 4.1 electrons at the sensor. From ISO 400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 1600 don't change analog gain (digital push). Full well at base ISO is about 77,476 electrons; unity gain is around ISO 470.

Nikon D60 vs Nikon D600 read noise table

ISO	Nikon D60	Nikon D600
50	–	0.865
64	–	0.859
80	–	0.859
100	2.129	0.865
125	–	1.021
160	–	1.223
200	3.317	1.434
250	–	1.717
320	–	2.346
400	5.776	2.828
500	–	3.458
640	–	4.141
800	11.551	5.028
1000	–	6.063
1250	–	7.621
1600	23.264	9.580
2000	–	12.042
2500	–	15.032
3200	46.527	18.896
4000	–	23.752
5000	–	29.857
6400	–	37.792
8000	–	41.933
10000	–	52.346
12800	–	67.182
25600	–	133.436

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