Formatt Hitech 4 x 4" Blue 38 Filter

The Formatt 4 x 4" Blue 38 Filter is used to control contrast in black and white film. This filter is predominantly used to absorb red and some green. It can also be used for certain infrared applications (always check with film manufacturer's specifications).

Formatt, a company with three generations of professional filter-making experience produces every filter to the highest technical standards. The finest materials, together with state of-the-art production technology have resulted in a standard of optical excellence unmatched anywhere else.