Gossen Colormaster 3F what kind of battery_Silver Oxide Quick and easy to use:

Quick and easy to use: just set focus and hit the button

25") round negative carriers for Beseler 4x5 enlargers

10-20 for a quick jaunt around the block

lots of zipped compartments

Since the teleconverter extends into the back of the lens

Gossen Colormaster 3F what kind of battery_Silver Oxide Quick and easy to use:The Gossen Colormaster 3F is a sophisticated digital meter for flash and ambient light that measures colour temperature (in degrees and filter correction values) and light intensity (in lux or lux seconds). Compact, with an easy to read screen and a built in PC sync connector for strobe triggering. In excellent condition, with case and strap. Please note: this is not a normal light meter. It will not give you exposure readings.