27 Apr
2013
27 Apr
'13
10:19 p.m.
Patrick is right, a proper spectrum would have to be taken using a diffraction grating or prism, and it would have to be calibrated. Just shooting uncalibrated filtered images won't tell you anything but what color the image processing software thinks it is, based on your preferences. On Sat, Apr 27, 2013 at 10:02 PM, Joe Bauman <josephmbauman@yahoo.com>wrote:
Well, it might tell something if we knew the precise color of the object. -- Joe
________________________________