Hoya 37mm HD2 Circular Polarizer Filter

BH #HOCPHD237 • MFR #XHD2-37CRPL
Hoya
Hoya 37mm HD2 Circular Polarizer Filter
Key Features
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • 8-Layer Multi-Coating
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The Hoya 37mm HD2 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.
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$56.95
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Hoya HD2 Overview

The Hoya 37mm HD2 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 only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. 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 has an 8-layer multi-coating for very high average light transmission of 99.35%. It is constructed from optical glass and features a thin frame.

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.
Has an 8-layer multi-coating for very high average light transmission of 99.35%.
Constructed from hardened optical glass to increase strength and durability.
Thin frame.
Water- and oil-repellent and scratch- and stain-resistant, making for easy cleaning.
UPC: 024066055132

Hoya HD2 Specs

Filter TypeCircular Polarizer
Circular Size37 mm Filter Thread
Ring MaterialAluminum
Packaging Info
Package Weight0.09 lb
Box Dimensions (LxWxH)3.5 x 2.8 x 0.6"
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