Cavision 4 x 4″ Linear Polarizer Filter

4×4″ Linear Polarizer Glass Filter

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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.
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