-The B+W 67MM is a circular polarizing filter that removes unwanted reflections from non metallic surfaces , such as water and glass and they also help increase colour saturation, clarity and contrast.
-This threaded filter is often used to increase the contrast and saturation in blue sky and white clouds, without affecting the overall color balance for a shot and they will provide protection for your lens while shooting.
-This filter is recommended for color and black & white film, as well as digital photography.
