Cavision 37mm Circular Polarizer Filter

Cavision 37mm Circular Polarizer Filter

Cavision 37mm Circular Polarizer Filter

B&H # CAFTG37PLC MFR # FTG37PLC
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Expected availability: 7-14 business days
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Product Highlights

  • Circular Polarizer Filter
  • 4x Filter Factor, +2 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Optical Glass Construction
  • Non-Coated
  • Aluminum-Alloy Filter Ring
  • 37mm Front Filter Threads
  • Plastic Case
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This item is noncancelable and nonreturnable.

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  • 1Description

The Cavision 37mm Circular Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces, and an increase in the saturation of skies and foliage.

A circular polarizer differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

This filter is non-coated. It is constructed from optical glass for clarity as well as color fidelity, and features an aluminum-alloy filter ring that can be rotated to adjust the intensity of the polarization effect.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Polarizing filters arrange and filter directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° angle from the sun.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
Non-coated.
4x filter factor reduces exposure by 2 stops.
Constructed from optical glass for clarity and color fidelity.
Aluminum-alloy filter ring for durability while remaining lightweight.
Filter ring can be rotated to adjust the intensity of the polarization effect.
37mm front filter threads allow for use with other filters.
Plastic filter case for storage and transport.
In the Box
Cavision 37mm Circular Polarizer Filter
  • Plastic Filter Case
  • Limited 3-Month Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 4 (2 Stop)
    Shape Circle
    Circular Size 37 mm
    Rotating Yes
    Front Accessory Thread / Bayonet 37 mm
    Filter Material Glass
    Coatings None
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