ISO for multiSPEC 4C

Jerome_O_Connell · May 3, 2018, 1:23pm

There appears to be no ISO value in the metadata for the multiSPEC 4C. Therefore how is the irradiance (and subsequent reflectance) calculated? Albedo, FNumber, exposure and downwell irradiance are present.

Manuel_Cubero_Castan · May 4, 2018, 12:51pm

Dear Jerome,

The ISO is not tagged because it cannot be changed. It is the same as during the factory calibration, so it is already taken into account in the sensitivity of the camera.

Best,

Jerome_O_Connell · May 4, 2018, 1:00pm

Thanks for the reply Manuel

Therefore the calculation for sensor irradiance would be?

Cheers

Manuel_Cubero_Castan · May 4, 2018, 1:28pm

Dear Jerome,

To get the general formula of the irradiance computation, please contact directly the camera manufacturer, in this case Airinov.

Best,