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Cokin Z-PRO 164 Circular Polarizing Filter - 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.
Z-PRO Filters are made of CR39 Resin which is a reputable lightweight and unbreakable optical material also used for ophthalmic glasses. The Z-PRO Series is recommended for focal lengths of 20mm onwards (in the 35mm format).
Note! Circular polarizers are specifically designed for use with auto-focus SLR cameras (They will also work on manual systems and video cameras without problems).
| Type | Z-PRO Circular Polarizer |
| Size | 100 x 150mm (4 x 6"), 1.5mm thick |
| Grade | Not Applicable |
| Filter Factor | Varies according to how the filter is rotated and its orientation to the sun |
| Multi-Coated | No |
| Rotating | Yes |
| Effect | Removes reflections and increases color saturation without affecting the overall color balance |
| Application | Nature, travel, outdoor photography |
| Color Temperature | Not Applicable |
| Construction | CR39 Resin |
| Front Filter Thread Size | Not Applicable |
| Front Lens Cap Size | Not Applicable |