This B&W 67 mm 090 Light Red Multi-Coated (MC) Extra Wide Glass filter is the classic filter for architectural photography. White facades glow brightly; the sky is darkened dramatically and clouds become more impressive. It is also excellent for spectacular landscape photographs with greatly improved distant views.
Multicoated to minimize reflection at the filter surfaces which reduces flare and ghosting.
B&W Extra-Wide's are special filters for wide-angle lenses. In order to prevent vignetting, the accessory thread on the front is larger
Clouds are dramatically improved almost to the mood of a thunderstorm; Darkens blue sky creating dramatic contrast between sky and clouds
It is more effective in cutting through haze, and moonlight effects are easily accomplished; Creates greater contrast between foliage and flowers
It is also suited for infrared photography
Note:
Always check the film specifications