The Hoya Circular Polarizing HD (High Density) Digital Glass Filter represents the next generation of dynamic Hoya filters.
This filter, with its hardened glass, has 4x the tensile strength of traditional filters of similar fabrication. This filter is also of great use in today's digital market where sensors are more sensitive to reflected light. Hoya incorporates special coatings that reduce these internal reflections and, thereby, promote a clearer, brighter and sharper image.
Light rays which are reflected become polarized. Polarizing filters are used to select which light rays enter your camera lens. They can remove unwanted reflections from non-metallic surfaces such as water or glass and also saturate colors providing better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies according to how the filter is rotated and its orientation to the sun.
Note! Circular polarizers are specifically designed for use with auto-focus SLR cameras (They will also work on manual systems and video cameras without problems).
| Type | Circular Polarizing HD Filter |
| Size | 67mm |
| Grade | Not Applicable |
| Filter Factor | Between 2.3 and 2.8 (approx. +1.3 stops) |
| Multi-Coated | Yes |
| Rotating | Yes |
| Effect | Removes reflections and increases color saturation without affecting the overall color balance |
| Application | Nature, travel, outdoor photography |
| Color Temperature | No Change |
| Construction | Glass |
| Front Filter Thread Size | 67mm |
| Front Lens Cap Size | 67mm |
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
Multi coated, well made, comes with protective container
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
Great for outdoor scenery and car photos to remove glare and darken the sky.
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
Use this just a few times, but always with a great and visible result. Works exactly, as advertised. No issues so far.
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
I own 3 Hoya HD circular polarizers, and 3 Hoya HD protectors (each of them in 67, 72, and 77mm sizes). I use them with Nikon 16-85mm, 18-200mm, 70-300mm, and Tokina 11-16mm lenses on D7000. The results are excellent. No vignetting on any of the Nikon lenses, even if you stack two filters together. No vignetting on Tokina with one filter. Tokina with two filters gives black corners at 11mm. I tried to use one 77mm polarizer and step-up rings to fit all lenses, but this does not really work well. Rings get stuck, can damage lens treads, make it difficult to remove the lens hood, and are just a pain to use.
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
I bought this filter for a good polarizing filter and to protect the front element. I wanted something sharp that wouldn't hurt image sharpness, functions great!
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
Love the extra light transmission through this filter ... just as effective as my other polarizers but with less light loss. I find myself leaving this filter on the lens in situations when I would normally pull off a polarizer because of the light loss. Will likely purchase the same filter for my other lenses should I ever lose the other less expensive polarizers I own.
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
After a few months of use, it came apart into two pieces with a brass ring when I removed it from my lens and I could not get it to screw back together. This offsets all of the operating advantages of the polarizer.
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Comments about Hoya 67mm Circular Polarizing HD (High Density) Digital Glass Filter:
The very first time that I used this filter, it fell apart when I removed it from the lens. [...] I would not recommend it.
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