B+W 62mm SLIM FRAME 81A Filter Warming Filter - SILVER BOX - MPN: 098882
This item is a older non F-Pro series Filter. Same Standard SC coated product. Exposed filter ring depth of this filter is 5mm versus the 4mm of the F-Pro Series.
B+W 81A Filter
81A Filter for Color Conversion
Warming Filter to Decrease Color Temp
Rugged Black Brass Filter Ring
High Quality Schott Glass
The B+W 81A Filter is a color conversion filter that helps to slightly decrease color temperatures and provide a warming effect. The 81A filter adds more warmth to the image for use with tungsten films in natural lighting. It provides a decrease of 200K, helping to render the scene more similarly to incandescent illumination.
There is a 1.5x filter factor with this filter, requiring an increase of 0.6 stop for normal exposure. B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity. They feature a brass filter ring for durability as well as jamming prevention.
Color conversion filter helps to slightly decrease color temperatures and provide a warming effect.
Provides a decrease of 200K for use of tungsten-based films in daylight situations.
Constructed from high quality Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
Type: Warming filter
Filter Factor: 1.5 (0.6 stop)
Effect: Provides decrease in color temperature for warming effect
Color Temperature: -200K
Construction: Schott Glass
Front Filter Thread Size: 55mm
Front Lens Cap Size: 55mm