Hoya 52mm HRT Circular-Polarizer UV Filter

Hoya 52mm HRT Circular-Polarizer UV Filter

Hoya 52mm HRT Circular-Polarizer UV Filter

B&H # HOCPHRT52 MFR # A-52CRPLHRT
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Product Highlights

  • Combination UV and Circular Polarizer
  • 2.5-2.8x Filter Factor, 1.3-1.5 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Blocks Ultraviolet Light
  • Reduces Bluish Cast of Daylight
  • Non-Coated, Optical Glass
  • Aluminum Frame
  • 52mm Front Filter Threads
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  • 1Description

The Hoya 52mm HRT Circular-Polarizer UV Filter is designed to block ultraviolet light and reduce the bluish cast of daylight while also helping to eliminate 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 filter with polarizing capability 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 and offers approximately 98% average light transmission due to its High-Rate Transparency polarizing film. It is constructed from optical glass and precision milled aluminum frames.

Blocks UV light and reduces bluish cast of daylight.
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.
High-Rate Transparency polarizing film helps provide approximately 98% average light transmission.
2.5 to 2.8x filter factor reduces exposure by 1.3 to 1.5 stops.
Constructed from optical glass and precision milled aluminum frames.
Plastic filter case for storage and transport.
UPC: 024066051639
In the Box
Hoya 52mm HRT Circular-Polarizer UV Filter
  • Filter Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 2.3 - 2.8 (1.2 - 1.5 Stop)
    Shape Circle
    Circular Size 52 mm
    Front Accessory Thread / Bayonet 52 mm
    Filter Material Glass
    Coatings None
    Packaging Info
    Package Weight 0.09 lb
    Box Dimensions (LxWxH) 3.5 x 2.8 x 0.6"
    52mm HRT Circular-Polarizer UV Filter is rated 4.7 out of 5 by 13.
    Rated 4 out of 5 by from Excellent Filter I use this filter for outside video and stills. It works flawlessly as far as I am concerned. It is a little thin and can be a pain to remove, but il n'y pas de rose sans pine. Every rose has a thorn. I will certainly be keeping it. In comparaison, my cheap @ filter is perfect junk. Although it helped me retain contrast during the shoot for which I purchased it, it tints everything a beige/tan. This Hoya renders beautiful greens and lovely blues, just as a polarizing filter should. Buy it. Barring a dud, it is a good buy.
    Date published: 2015-05-13
    Rated 5 out of 5 by from Great Accessory to Have So far this filter has been great. I use it with the Canon 50mm f/1.8 lens. It does not reduce the amount of light passing through by much. I accidentally left this filter on while I was inside and the picture quality did not seem to suffer. It's easy to rotate the filter when it's attached to the lens.
    Date published: 2010-10-03
    Rated 5 out of 5 by from Love this filter... My other polarizer filters are much too dark, this one reduces glare, it doesn't make the sky as blue as my others, but leaves the color more natural and doesn't make the people and objects in my videos so dark you can't see the detail. I bought 2 extras. I just wish it also came in a 46mm size for all my camcorders... yes it is a little hard to get off, but I do most of my shooting outdoors and rarely take it off so that's not an issue.
    Date published: 2015-10-19
    Rated 3 out of 5 by from Solid Quality, but hard to attach I bought this thinking that it would be great as a lens protector. But the lens that I ordered also has a hood (and cap) so that benefit is not needed. The glass is surrounded by all-metal, you can feel the quality. However, both the attachment ring (with the threads) and the adjusting ring are very narrow. This makes it difficult to attach and remove the filter.
    Date published: 2013-04-02
    Rated 5 out of 5 by from Excellent Filter This is an excellent filter for reducing glare on photos. It is reasonably priced and gives a good sharp image. It will produce good clear blue skies that would otherwise be washed out from sun glare.
    Date published: 2014-05-08
    Rated 5 out of 5 by from Seems Great! This is one of my first lense, but it seems to be good. I don't notice a lack of light. Seems to let in the right amount. Looks like good build. I dropped it 3 feet onto a wood floor and didnt crack.
    Date published: 2015-05-29
    Rated 5 out of 5 by from Worth purchasing I bought this for my wife's new camera and it works great. Brings out the nice blue sky. Very smooth operation and threads on and off easily.
    Date published: 2014-11-24
    Rated 5 out of 5 by from Makes all the difference Great little filter that can sometimes make all the difference in just an ok photo to an outstanding one.
    Date published: 2012-11-06
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