Circular Polarising
Polarisers allow you to remove unwanted reflections from non-metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer, with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds. HOYA's polarising filters do not affect the overall color balance of a shot.
Filters are available in a number of series:Standard: Mono-coated on both surfaces to reduce reflected light to around 4-5%. HMC: Hoya Multi-Coated filters have 3 anti-reflected coatings on each surface which reduce reflected light to around 1-2% Super HMC: Super coated Hoya filters have up to 12 anti-reflective coatings which reduce reflected light to around 0.3% Ultra: Filters in this series use the new ULTRA thin rings which are designed primarily to avoid vignetting problems which occur with wide angle lenses. The ULTRA series filters use rings just 3mm in thickness. HMC Multicoating is applied to both sides of the filters and they are supplied with our push-on lens caps. This means that HOYA ULTRA series filters are the ultimate choice for wide angle lenses - there is no other filter available to exceed the ULTRA specification.
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