Ice 77mm Circular Polarizer Filter

Ice 77mm Circular Polarizer Filter

Ice 77mm Circular Polarizer Filter

B&H # ICCP77 MFR # ICE-HDCPL77
Ice 77mm Circular Polarizer Filter

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Expected availability: 7-10 business days

Product Highlights

  • Circular Polarizer Filter
  • 2x Filter Factor, +1 Stop
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Multicoated
  • Optical Glass Construction
  • Aluminum-Alloy Filter Ring
  • 77mm Front Filter Threads
  • Plastic Case
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  • 1Description

The Ice 77mm 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 constructed from optical glass for clarity as well as color fidelity and features an aluminum-alloy filter ring that can be rotated in order to adjust the intensity of the polarization effect. To prevent internal ghosting and reflections, each glass surface includes eight layers of anti-reflection coating. These coatings also offer greater protection to the filter substrate and helps it to stay clean for longer than with uncoated filters.

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.
2x filter factor reduces exposure by 1 stop.
Multicoated to prevent internal ghosting and reflections.
Aluminum-alloy filter ring for durability while remaining lightweight.
Filter ring can be rotated to adjust the intensity of the polarization effect.
77mm front filter threads allow for use with other filters.
Top knurling to provide a more textured grip when mounting or removing it from a lens.
Constructed from optical glass for clarity and color fidelity.
Plastic filter case for storage and transport.
UPC: 723905228835
In the Box
Ice 77mm Circular Polarizer Filter
  • Plastic Filter Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 2 (1 Stop)
    Shape Circle
    Circular Size 77 mm
    Rotating Yes
    Front Accessory Thread / Bayonet 77 mm
    Filter Material Glass
    Coatings Multi-Coating
    Packaging Info
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 4.0 x 4.0 x 0.75"
    77mm Circular Polarizer Filter is rated 1.0 out of 5 by 1.
    Rated 1 out of 5 by from Very disappointing Based on reviews of it's optical qualities, I was hoping for an exceptional value. However glass surfaces are difficult to keep clean, and to clean of residues, even with oil-remover cleaner. 2 edge areas have imperfections: tiny gap along the filter's glass edge, showing shiny metal rim and a spot of irremoveable dirt inclusion. These don't appear to affect optical performance, so am keeping the filter as an emergency backup for the price, but certainly won't use it as a primary filter. If I had to do it over again, I wouldn't buy it. Another lesson for "you get what you pay for". Cheap = compromised.
    Date published: 2018-07-09
    • y_2018, m_7, d_16, h_19
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