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Panasonic Lumix DMC-FZ200 vs Panasonic Lumix DMC-FZ2500: read noise comparison

Panasonic Lumix DMC-FZ200DxO

The Panasonic Lumix DMC-FZ200 was measured at 7 ISO settings from ISO 100 to ISO 6400. Values were derived by Bill Claff from DxOMark lab data.

At base ISO (100) read noise is 2.36 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.

Panasonic Lumix DMC-FZ2500

The Panasonic Lumix DMC-FZ2500 was measured at 26 ISO settings from ISO 80 to ISO 25600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (80) read noise is 0.54 DN, or 2.8 electrons at the sensor. From ISO 1250 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 12800 don't change analog gain (digital push). Full well at base ISO is about 20,770 electrons; unity gain is around ISO 420.

Panasonic Lumix DMC-FZ200 vs Panasonic Lumix DMC-FZ2500 read noise table

ISOPanasonic Lumix DMC-FZ200Panasonic Lumix DMC-FZ2500
80–0.540
1002.3620.993
125–1.231
160–1.474
2004.3471.602
250–1.932
320–2.173
4007.4642.532
500–2.908
640–3.411
80014.2214.112
1000–4.857
1250–5.897
160030.6967.013
2000–8.398
2500–10.196
320052.34612.641
4000–15.889
5000–19.973
640093.70125.107
8000–31.779
10000–39.947
12800–50.213
16000–30.065
20000–38.055
25600–47.177

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Data: Photons to Photos · © William J. Claff