this was confirmed for 5D3 and should also match for 600D and 7D.
please report in if it doesnt match to others.
any confirmations if it works for other models?
Looks good on the 700D
0xF0 == 240
does someone have a lens extender to test what happens to appear in the extender field?
@a1ex okay to merge?
Tested on 5D3 123 and 500D with 24/2.8 STM (both cameras) and 18-55 IS II (500D). All OK here.
Only one thing I'm not sure about: the size of lens_info.serial_number.
tried to dig some firmwares i had lying around. couldnt find any track to the serial number. weeeeeird.
would qemu probably help there?
Not sure if it can help directly; maybe as a debugging tool to see where this serial number comes from (though, usually, property contents come from a MPU message). One could probably changing values to observe what ends up in EXIF, but this part won't work in QEMU (as it can't create CR2 pictures yet).