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Nikon Z fc vs Nikon Z fc (ES): read noise comparison

Nikon Z fc

The Nikon Z fc was measured at 30 ISO settings from ISO 100 to ISO 204800. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (100) read noise is 1.40 DN, or 5 electrons at the sensor. From ISO 12800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 51200 don't change analog gain (digital push). Full well at base ISO is about 55,261 electrons; unity gain is around ISO 360.

Nikon Z fc (ES)

The Nikon Z fc (ES) was measured at 30 ISO settings from ISO 100 to ISO 204800. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (100) read noise is 1.40 DN. From ISO 12800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 51200 don't change analog gain (digital push).

Nikon Z fc vs Nikon Z fc (ES) read noise table

ISONikon Z fcNikon Z fc (ES)
1001.4041.404
1251.6701.670
1602.0562.056
2002.8282.828
2502.9902.990
3203.6053.605
4002.5322.532
5003.0313.031
6403.1173.117
8003.8643.864
10004.9254.925
12506.0636.063
16007.0627.062
20008.6948.694
250010.62910.629
320013.08613.086
400016.11116.111
500020.11220.112
640024.76124.761
800030.69630.696
1000037.01437.014
1280039.67139.671
1600049.86749.867
2000060.96960.969
2560074.54374.543
3200092.41192.411
40000115.360115.360
51200149.086149.086
102400274.374274.374
204800537.455537.455

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Data: Photons to Photos · © William J. Claff