Nikon CPL1L Drop In Circular Polarizer -52mm- (For Select Nikon Lenses)
This 52mm drop-in circular polarizing filter is specifically for the following lenses: AF-S 300/2.8D, AF-S 500/4D, AF-S 600/4D, AF-S 200-400/4G, 400 ED 400/2.8S and AF-S Nikkor 400mm f/2.8G ED VR(II) Lens. This filter is can be rotated from the outside without removing it from the lens for precise control.
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. The filter factor varies according to how the filter is rotated and its orientation to the sun. Filter factor is between 2.3 and 2.8 (approx. +1.3 stops).
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