Rodenstock 67mm HR Digital Circular Polarizer Filter

BH #RODCP67 • MFR #406740G
Rodenstock
Rodenstock 67mm HR Digital Circular Polarizer Filter
Key Features
  • Circular Polarizer Filter
  • 0.45x Filter Factor, +1.5 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
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The Rodenstock 67mm HR Digital 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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Rodenstock HR Digital Overview

The Rodenstock 67mm HR Digital 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.

To prevent internal ghosting and reflections, multiple layers of anti-reflection coating are included. These coatings also offer greater protection to the filter substrate and help it to stay clean for longer than with uncoated filters. The coatings associated with HR Digital filters results in an improved beading effect when in contact with water or oil for greater cleaning efficiency.

This filter is constructed from optical glass for increased optical clarity and color fidelity. Before being set within a thin brass filter ring that minimizes the potential for vignetting while enhancing durability and jamming prevention, the sides of its glass are blackened to help further eliminate internal ghosting and reflections from occurring along the filter's edge.

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
Multi-coated to prevent internal ghosting and reflections
.45x filter factor reduces exposure by 1.5 stops
Constructed from optical glass and thin brass filter ring helps to prevent vignetting, jamming, and provides additional strength
Before being set within the filter ring, the sides of the filter glass are blackened to help further prevent internal ghosting and reflections from occurring along the filter's edge
Plastic filter case for storage and transport.

Rodenstock HR Digital Specs

Filter TypeCircular Polarizer
Circular Size67 mm Filter Thread
Front Accessory Thread / Bayonet67 mm
CoatingsMulti-Coating
Filter MaterialGlass
Ring MaterialBrass
Packaging Info
Package Weight0.175 lb
Box Dimensions (LxWxH)4.45 x 3.75 x 0.65"
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