Hoya 55mm alpha Circular Polarizer Filter

Hoya 55mm alpha Circular Polarizer Filter

Hoya 55mm alpha Circular Polarizer Filter

B&H # HOCPA55 MFR # C-ALP55CRPL
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Product Highlights

  • Circular Polarizer Filter
  • 3 to 4x Filter Factor, +1.6 to 2 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Non-Coated
  • Optical Glass
  • Aluminum Frame
  • 55mm Front Filter Threads
  • Plastic Case
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Hoya C-ALP55CRPL overview

  • 1Description

The Hoya 55mm alpha 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 and has approximately 96% average light transmission. It is constructed from optical glass and precision milled aluminum frames.

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.
Approximately 96% average light transmission.
3 to 4x filter factor reduces exposure by 1.6 to 2 stops.
Constructed from optical glass and precision milled aluminum frames.
Plastic filter case for storage and transport.
UPC: 024066056160
In the Box
Hoya 55mm alpha Circular Polarizer Filter
  • Plastic Filter Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Hoya C-ALP55CRPL specs

    Filter Type Circular Polarizer
    Filter Factor 3 - 4 (1.6 - 2 Stop)
    Shape Circle
    Circular Size 55 mm
    Front Accessory Thread / Bayonet 55 mm
    Filter Material Glass
    Coatings None
    Packaging Info
    Package Weight 0.13 lb
    Box Dimensions (LxWxH) 3.5 x 2.8 x 0.6"

    Hoya C-ALP55CRPL reviews

    55mm alpha Circular Polarizer Filter is rated 4.6 out of 5 by 12.
    Rated 5 out of 5 by from I buy a Polarize Filter for every lens I own. I have a polarizer filter on ALL my lenses. I NEVER use special effects filters but I find a polarizer is a necessity. They cut glare off water; enhance the sky and separation with cloud formations; create much more detail when shooting mountains with snow etc ... This type of filter helps the camera see what your eye sees. Camera have a difficult time with glare from reflection off water and snow . This filter will only work when you are aiming your camera about 90 degrees from the sun so it won't work under all circumstances and don't forget to Rotate the filter to vary how much polarization you want . It is easy to forget that you have to rotate the filter for the best results. No matter what; always put some kind of filter on your lens to protect it from scratches. You can always replace a filter for a LOT LESS $$ than a lens.
    Date published: 2016-12-10
    Rated 5 out of 5 by from Quality Wins Out The Hoya circular polarizing filter has proven to be of a higher quality than at least three of it's competitors costing a few bucks less. Dumb me, I tried to save to save less than $7 with other brands and none worked as well as the Hoya. I am considering adding a couple of other filter and they definitely will be made by Hoya!
    Date published: 2016-07-05
    Rated 5 out of 5 by from Good quality CPL filter I just took this to use on my Lumix camera up to Lake Tahoe, and this filter worked very well. My pictures came out more clear and sharp. This filter will comtinue to be a part of my camera accessories.
    Date published: 2014-12-30
    Rated 5 out of 5 by from Necessary filter at a good price I have a circular polarizer for every lens I own. There are some situations, mostly outdoors, in which the use of a polarizing filter can make a huge difference in taking a photograph.
    Date published: 2014-08-07
    Rated 4 out of 5 by from Inexpensive filter, works well, I purchased this filter to use with my new Sony alpha 7III. It seems to be made very well, and so far so good.� So far I have had limited experience with the filter, but initial tests made using the alpha 7iii and its 28-70mm lens, have provided the desired results.� Does a good job in increasing contrast, darkening blue skies and helping to reduce glare.� Will update this review after more use.
    Date published: 2018-05-07
    Rated 5 out of 5 by from Polarized work Great at Removing Glare from Metal surfaces I purchased this lens in an effort to reduce the glare from metal surfaces in my macro photography. I does a spectacular job. Now I can photograph the details of engraving on flat and curved metal surfaces.
    Date published: 2017-09-12
    Rated 5 out of 5 by from so happy! I am so happy to have this filter I often shoot lanscapes this is helpful in that the sky can often be a little hazy when I want the clouds to pop!
    Date published: 2015-06-10
    Rated 5 out of 5 by from Great filter! Use mostly for landscapes to add punch to the sky and to reduce reflections on water, leaves, etc.
    Date published: 2016-04-28
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