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The B+W 72mm Dark Red MRC 091M Filter can be used to increase image contrast when photographing using a film camera system with black-and-white film installed.
This filter's effect corresponds to that of a Wratten 29 filter. Wavelengths of visible light that are apparent as green and blue colors to the human eye are suppressed, while visible light associated with orange and red colors are able to more easily pass though the B+W 72mm Dark Red MRC 091M Filter and into the lens it is mounted in front of. When photographing with this filter along with black-and-white film, green to blue-colored subjects within a scene are reproduced in extremely dark shades of grey than if a filter was not used. Simultaneously, orange to red subjects are rendered in extremely light shades of grey.
When applied to black-and-white photography, the increased contrast provided by the B+W 72mm Dark Red MRC 091M Filter can result in extremely dark skies while helping to maximize the definition of clouds. Shades of green among foliage can become sharply differentiated from neighboring shades of orange or red, while light skin tones can be rendered as white or near-white. Additionally, this filter can also minimize the presence of haze caused by the bluish cast of daylight.
To prevent internal ghosting and reflections, each glass surface includes eight layers of anti-reflection coating. This Multi-Resistant Coating (MRC) also offers greater protection to the filter substrate and helps it to stay clean for longer than with uncoated filters. B+W filters are constructed from Schott glass for increased optical clarity. This filter features an F-Pro brass filter ring for durability as well as jamming prevention.
Increases image contrast when photographing using a film camera system with black-and-white film installed
Produces extremely dark shades of grey from green to blue-colored subjects and extremely light shades of grey from yellow, orange, or red subjects than without a filter
When applied to black-and-white photography, can result in extremely dark skies while helping to maximize the definition of clouds, sharply differentiated green foliage, light skin tones rendered as white or near-white, and minimizes the presence of haze caused by the bluish cast of daylight
0.9 density and 8x filter factor create up to a three stop reduction of light
Multi-coated to prevent internal ghosting and reflections
Constructed from Schott glass for optical clarity
F-Pro brass filter ring helps to prevent jamming and provides additional strength
Plastic case included for storage and transport
In the Box
B+W 72mm Dark Red MRC 091M Filter
Limited 10-Year Warranty
Table of Contents
8 (3 stop)
Equivalent to Wratten 29
Increases contrast when shooting with black-and-white film