The Hoya Circular Polarizer is an essential professional tool designed to remove unwanted reflections from non-metallic surfaces such as water, glass, and foliage.
| Filter Type | Circular Polarizer (CPL) |
| Glass Material | Optical Glass |
| Frame Material | Satin Finish Aluminum |
| Filter Factor | Approx. 3 to 4 (1.6 to 2 stops of light loss) |
| Available Thread Sizes | 37mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm |
Yes, it reduces light by approximately 1.5 to 2 stops. You may need to adjust your ISO or shutter speed to compensate for the darker exposure.
No, Hoya uses a slim-frame design specifically to prevent vignetting (dark corners) on wide-angle lenses as wide as 16mm.
Yes, the filter is double-threaded, allowing you to attach a standard lens cap or stack another filter on top of it.
While the glass is moisture-resistant, it is not fully waterproof. It should be wiped dry if exposed to rain to prevent water spots.