Quote Originally Posted by MartinP View Post
Apart from the location of the illumination with respect to the condenser(s) of a black-and-white enlarger, the other question-mark would be about the spectrum of the colour temperature of these lamps and whether there are any peaks or troughs compared to incandescent lamps. The only thing to do is try them and see I suppose!
Meanwhile there are (expensive) LED cinematographic lights ready to substitute the classic incandescand or HMI fresnel light.