Haida 127mm Coarse Thread Circular Polarizer Filter

BH #HACP127 • MFR #HD1005-127
Haida
Haida 127mm Coarse Thread Circular Polarizer Filter
Key Features
  • Circular Polarizer Filter
  • 2.8x Filter Factor, +1.5 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
The Haida 127mm Coarse Thread 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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Expected availability: 2-4 weeks
$79.95
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Haida HD1005-127 Overview

The Haida 127mm Coarse Thread 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 is non-coated. It is constructed from Water White glass for increased 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.
2.8x filter factor reduces exposure by 1.5 stops.
Constructed from Water White glass for increased optical clarity.
Aluminum-alloy filter ring for durability while remaining lightweight.
Filter ring can be rotated to adjust the intensity of the polarization effect.
127mm front filter threads for coarse rear threads allow for use with other filters.
Plastic filter case for storage and transport.

Haida HD1005-127 Specs

Filter TypeCircular Polarizer
Filter Factor2.8x (1.5-Stop)
Circular Size127 mm / 5" Filter Thread
RotatingYes
Front Accessory Thread / Bayonet127 mm / 5"
CoatingsNone
Filter MaterialGlass
Ring MaterialAluminum
Packaging Info
Package Weight0.34 lb
Box Dimensions (LxWxH)5.8 x 5.65 x 0.8"
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