... The mixing chambers of most dichroic colorheads are lined with polystyrene foam panels which provide a highly reflective and diffuse white surface, to provide bright and even illumination...This kit includes all six replacement panels required to reline the Beseler #6727 6x7 Mixing Chamber as used in the Dichro 67, Dichro 67S, and 67 variable contrast heads...

...This is the top plate on 7700 Dichroic Color and VCCE enlargers that covers the mixing chamber area at the front of the lamphouse...

...pplied with 35mm and 6x7 mixing chambers light attenuators for reducing light output white light lever temporarily removes filtration for focusing and composing requires no external powe...

...ping to protect filters, mixing box and negatives from heat damage, and reducing the chance of negative "popping" which affects focus...