Quote:
Originally Posted by higginsdj
Photometry is simply the measurement of the brightness of an object - not about the instrument used. There is the eyeball, the photomultiplier tube (still in wide use I believe), the CCD (including CMOS chipped digital cameras - not just DSLR's), filtered and unfiltered, and the spectrometer of course. (Not sure if anyone is still using film so if they are then they can put that under 'other')
Cheers
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I believe there are a few diehards still using film. Can you still buy TechPan film anymore??