Photons to Photos
Your trusted source for independent sensor data
Last revised: 2024-04-13 01:00 GMT-5

Click on the camera model in list to toggle visibility. Zooming is enabled. Use the resize box to resize the chart and list.
To share a chart consider getting a link with the link button rather than or in addition to simply using a screenshot.

Values are relative to base ISO. Base ISO for the D300, D300s, D90, and D5000 is ISO 160.
Changes at the "Hi" ISO boundary are common. Sometimes up and sometimes down. Sharp changes are a mystery at this time.
Dips at intermediate ISO values result from two-stage amplification.

Further Reading:
Sensor Analysis Primer - Photographic Dynamic Range Shadow Improvement
Sensor Analysis Primer
Measurement and Sample Variation

Contributions of data are always welcome, particularly if you see an (p) after your camera or your camera is not listed.
Contact me if you wish to help.