HOYA
HISTORY
TECNOLOGY
GENERAL FILTERS
COLORED FILTERS
SPECIAL EFFECTS FILTERS


These are color conversion filters for the use of daylight type color films with artificial light source. 80A increases the color temperature from 3200°K to 5500°K for the use with 3200°K lamps. 80B increases the color temperature from 3400°K to 5500°K for the use of photoflood lamps. 80C increases the color temperature from 3800°K to 5500°K for the use of clear flash bulbs.

Available sizes and coatings
Size 39.0 46.0 49.0 50.0
Bayonet		 52.0 55.0 58.0
Standard o o o o o o o
HMC - o o o o o o
S-HMC - - - - - - -
Size 60.0
Bayonet		 62.0 67.0 72.0 77.0 82.0 86.0 95.0
Standard o o o o o o o o
HMC o o o o o o - -
S-HMC - - - - - - - -
Bayonet 50: Used on older Hasselblad lenses.
Bayonet 60: Used on current Hasselblad lenses.