AI assistant says:The Sony HDC-3100 camera uses a 2/3-inch type CMOS sensor. This sensor is 1/3 of the size of a full-frame 35mm sensor, meaning it's approximately 12.6mm x 8.4mm.while this table says:
May we use 12.6mm or 8.8mm as sensor width in the calibration tool?
Hi,
The sensor widths listed in the table are usually the same values you need to enter in the Calibrator. You should input 8.8 mm if your camera uses a 2/3-inch sensor. However, this is not always the case, as your camera or its resolution settings might crop the sensor area.
I'm not sure how you or the AI arrived at the 12.6mm x 8.4mm size, or why it would be considered one-third the size of a full-frame 35mm sensor. The "2/3-inch" designation is just a type label and doesn't represent the actual sensor size in inches. While 2/3 inch equals 16.93mm, the actual diagonal of a 2/3-inch sensor is about 11mm.
Chat GPT o4-mini gave me back the correct sizes, the same ones as in your table.
Note that the sensor width does not affect the accuracy of the Camera Calibrator in Aximmetry. The main issue with providing incorrect sensor values is that the displayed focal length in Aximmetry will not match the real-world lens, and the aperture setting in Aximmetry will not match the actual aperture, as a result, the Depth of Field effect may look slightly different.
Warmest regards,