Hoya 77mm HRT Circular Polarizer Glass Filter

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About Hoya

The HOYA HRT circular polarizer filter uses a newly developed High-Rate Transparency film that passes more visible light through the filter while still filtering the same amount of polarized light.

The HOYA HRT circular polarizer filter transmits as much as 25% more light through the polarizing film giving the photographer about 1/3 stop more light than a standard circular polarizer. This new polarizing film is also used in the latest HD LCD TVs.

The glass of the HOYA HRT filter also has UV absorbing properties making the HRT a combination UV/circular polarizing filter.

The most common use for a circular polarizer filter is to darken bright blue skies in outdoor photography, but they also can reduce or eliminate reflections from non-metallic surfaces such as glass and water. By rotating the outer ring of the filter the change of effect can be seen by looking though the filter or through the viewfinder if it is mounted on a camera.

HOYA is the world's largest optical glass manufacture, making glass to spec for almost every camera and lens manufacturer. HOYA is also the world's largest filter manufacture.

Summary of Customer Reviews

(7)
Customers most agreed on the following attributes:
Pros:
Clear optics (4),Easily mounted (3),Firm mount (3)
Reviewer Profile:
Business owner (3),Semi-pro photographer (3)

Hoya Features

  • Newly developed High-Rate Transparency film
  • Passes more visible light through filter, yet filters the same amount of polarized light!!
  • As much as 25% more light, appx 1/3 stop more than regular polarizer
  • The HRT is a combination UV/Circular polarizing filter

Reviews about this item

Review Snapshot®

 
4.1

(based on 7 reviews)

75%

of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

Most Liked Positive Review

 

Just What I Needed!

This was exactly what I've been looking for. It's a relatively slim C-Pol with the ability to take the OEM Canon lens cap. It's by no means a super slim filter, but with my 17-40, I don't have any issues around the edges. It definitely gets the job done!

VS

Most Liked Negative Review

 

Good for specific uses

If you are looking for a filter to use in low light conditions that will eliminate reflections this is a good choice. If you are looking for filter for improved color saturation along with the polarization for landscape photography you will probably be disappointed. I've never found the UV to be a problem at high elevation when using other polarizers so the combo was no big deal. I also found this filter to loosen easily when on my 24-105 lens although the lens cap fit nicely on it. You could...

View full Review

If you are looking for a filter to use in low light conditions that will eliminate reflections this is a good choice. If you are looking for filter for improved color saturation along with the polarization for landscape photography you will probably be disappointed. I've never found the UV to be a problem at high elevation when using other polarizers so the combo was no big deal. I also found this filter to loosen easily when on my 24-105 lens although the lens cap fit nicely on it. You could probably get by leaving this filter on all the time for typical daytime shots. I've been happy with other Hoya Polarizers but effects with this one were just too negligable for my use. Ultimately I ended up returning mine for another product

Reviewed by 7 customers

(0 of 1 customers found this review helpful)

 
1.0

More of a ND than CPL

By

from North Texas  -  Business Owner

Compared to my 52mm CPL this Hoya doesn't reduce the glare near as well. Actually, hardly reduces glare period. It makes a good ND filter. Not happy with it at all.

 
5.0

Amazing Professional Filter

By

from Chatsworth, CA  -  Professional Artist

One filter replaces the U V and Circular Polarizer. I now use this filter on all of my lenses. This is truly a professional all purpose filter to protect today's high quality lenses and a great value from Adorama pricing.

(0 of 1 customers found this review helpful)

 
5.0

High Quality CP

By

from Germantown, MD  -  Business Owner

I no longer own this filter (I dropped my camera and it cracked, but did not shatter) but I loved it. I would recommend this to anyone.

(2 of 2 customers found this review helpful)

 
3.0

Good for specific uses

By

from Oakland, CA  -  Semi-pro Photographer

If you are looking for a filter to use in low light conditions that will eliminate reflections this is a good choice. If you are looking for filter for improved color saturation along with the polarization for landscape photography you will probably be disappointed. I've never found the UV to be a problem at high elevation when using other polarizers so the combo was no big deal. I also found this filter to loosen easily when on my 24-105 lens although the lens cap fit nicely on it. You could probably get by leaving this filter on all the time for typical daytime shots. I've been happy with other Hoya Polarizers but effects with this one were just too negligable for my use. Ultimately I ended up returning mine for another product

 
5.0

Works Great

By

from Great Falls MT  -  Photo Enthusiast

Have used it several times and always get a consistent effect

(1 of 1 customers found this review helpful)

 
5.0

Just What I Needed!

By

from Henderson, NV  -  Semi-pro Photographer

This was exactly what I've been looking for. It's a relatively slim C-Pol with the ability to take the OEM Canon lens cap. It's by no means a super slim filter, but with my 17-40, I don't have any issues around the edges. It definitely gets the job done!

(1 of 1 customers found this review helpful)

 
5.0

Excellent results

By

from Tucson, AZ  -  Semi-pro Photographer

Thin and the results are excellent

Q&A

Questions & Answers Powered by TurnTo®

Questions about this item:

danally l  What are the key differences between this and the hoya HD circular polarizer? thanks in advance.
DON D  The Hoya 58mm HRT Circular Polarizing Filter is unique in its design since it incorporates a High Rate Transmission film that permits more visible light to be passed through the filter while still producing the same degree of polarized light. This filter now permits the equivalent of 1/3 stop more light to be taken in yet it still filters the same amount of polarized light. This can be a huge benefit to users of both digital and HD technology cameras and lenses. The problem is worse when at altitude, where there is more ambient UV light, and at sea level where there is a lot of water, snow or ice, concentrating UV light through reflection, resulting in blue shadows and/or blue casts. In these conditions the use of a polariser may be required, but often this will amplify the cold blue cast caused by excessive UV light. Hoya's answer is its new HRT polariser, which combines a UV filter with the latest generation in circular polarising films, apparently developed for 3D cinema glasses. The result is a lighter tint in the filter as it lets more light through and also less of a blue cast, while the UV filtration moderates blue casts.
Rico P  Is this filter multi-coated?
FRANK N  This filter uses a transparency film that passes more visible light through the filter while still filtering the same amount of polerized light. It transmits as much as 25% more ligjt through the polarizing film giving the photographer about 1/3 stop more light than a standard circular polarizer. The glass of the HRT filter also has UV absorbing properties making the HRT a combination UV and circular polarizing filter.
Rico P  Is this filter multi-coated?
FRANK N  This filter uses a transparency film that passes more visible light through the filter while still filtering the same amount of polerized light. It transmits as much as 25% more ligjt through the polarizing film giving the photographer about 1/3 stop more light than a standard circular polarizer. The glass of the HRT filter also has UV absorbing properties making the HRT a combination UV and circular polarizing filter.
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