Olympus E-330 vs Olympus E-410: read noise comparison
Input-referred read noise at base ISO: Olympus E-330 15.4 e⁻ (ISO 100), Olympus E-410 22.2 e⁻ (ISO 100).
Olympus E-330
The Olympus E-330 was measured at 13 ISO settings from ISO 100 to ISO 1600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.
At base ISO (100) read noise is 2.07 DN, or 15.4 electrons at the sensor. From ISO 100 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 29,931 electrons; unity gain is around ISO 740.
Olympus E-410
The Olympus E-410 was measured at 5 ISO settings from ISO 100 to ISO 1600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.
At base ISO (100) read noise is 3.25 DN, or 22.2 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 27,428 electrons; unity gain is around ISO 680.
Olympus E-330 vs Olympus E-410 read noise table
| ISO | Olympus E-330 | Olympus E-410 |
|---|---|---|
| 100 | 2.071 | 3.249 |
| 125 | 2.621 | – |
| 160 | 3.227 | – |
| 200 | 3.784 | 5.278 |
| 250 | 4.691 | – |
| 320 | 5.979 | – |
| 400 | 7.516 | 6.681 |
| 500 | 9.383 | – |
| 640 | 12.126 | – |
| 800 | 14.723 | 13.269 |
| 1000 | 19.293 | – |
| 1250 | 23.588 | – |
| 1600 | 29.446 | 26.538 |
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