These popular filters are renowned for their
ability to minimize reflection at the filter surfaces which reduces flare and
ghosting. The result is an average light transmission of over 97%, giving sharp
contrast and well balanced colour. HOYA Standard filters are recommended for
enhancing the performance of today's multicoated lenses.
"80" series filters are colour conversion filters for the use of daylight type
colour films with artificial light source.
• 80A increases the colour temperature from 3200°K to 5500°K for the use with
3200°K lamps (household incandescent bulbs).
• 80B increases the colour temperature from 3400°K to 5500°K for the use of
• 80C increases the colour temperature from 3800°K to 5500°K for the use of
clear flash bulbs.