B+W 67mm Cir; POL CPL Polarize Filtre B+W 67mm Cir; POL CPL Filtre S03E Made in Germany MNF Part: 1065308 B + W 67mm F; PRO CPL FİLTER The B+W CPL filter is a circular polarizing filter that removes unwanted reflections from non; metallic surfaces , such as water, 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 affect 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; Light rays which are reflected become polarized; Polarizing filters are used to select which light rays enter your camera lens; They can remove unwanted reflections from non; metallic surfaces such as water or glass and also saturate colors providing better contrast; The effect can be seen through the viewfinder and changed by rotating the filter; Circular polarizers are specifically designed for use with auto; focus SLR cameras (They will also work on manual systems without problems) and video cameras; It does not influence the metering systems of these cameras; Made in Germany using high quality Schneider optical glass held in place by heavy duty brass rings, these filters are the epitome of quality; Compared to the earlier B+W standard mount, The B+W Standard Filter Mount F; Pro has been improved considerably; While maintaining the excellent quality of materials, fabrication, and high mechanical stability, the new F; Pro mount has become thinner, so that now it can also be used on many wide; angle lenses without the danger of vignetting; Another advantage of the new F; Pro filter mount is its modified retaining ring, which is no longer threaded in from the front, but holds the filter glass in place from the back; This prevents the retaining ring from being accidentally loosened during the removal of an additional filter or a lens hood that has been screwed in too tightly;