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The Cavision 4 x 4" Linear Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. This results in a noticeable increase in the saturation of skies and foliage, as well as clearer imagery when photographing in hazy conditions. A linear polarizer differs from a circular polarizer in that it does not supports use of a camera's autofocus or auto exposure functions; it is best suited for use with manual cameras, such as view cameras, that are not dependent on internal mechanisms to determine focus or metering settings.
This filter measures 4 x 4" / 101.6 x 101.6mm and is constructed from 4mm-thick optical glass.
Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Arrange and filter directionally polarized light perpendicularly to the reflected light allowing for the absorption of much of the light.
Lessens haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° angle from the sun.
Constructed from high quality optical glass.
4 x 4" / 101.6 x 101.6 mm (4 mm thick)
About 2.5 (1.3 stops)
Reduce/eliminate reflections and haze and improve color and tonal saturation