Circular polarizer to control color saturation and light reflections.
Categories : Filters ,  PL ,  Sq100 ,  Accessories ,  Photography ,  Hoya ,  Square Filters , 
Brand : Hoya
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The HOYA Sq100 polarizer can be rotated inside the frame to control light reflections and color saturation. With its large diameter of 86mm, the polarizer filter won't cause any vignetting with most lenses. HOYA's special water repellent multi-coating is applied to the polarizer's optical glass, making cleaning easy and stress-free.
The polarizer adopts a high transparency polarizing film for fast shutter speed. This translates to no less than nearly 1/2 stop more light entering the lens while yielding the same polarization effect. An absolute advantage for shooting in low light conditions.
For using the polarizer, screw it into the geared adapter and attach the geared adapter to the lens. Attach the HOYA Sq100 holder to the geared adapter so that the geared wheel come into the contact with the gear of the geared adapter.
Brand
HOYA
Model
Sq100 Polarizer
Model Description
HOYA Sq100 Polarizer
Series
Sq100
Type
PL
Available Sizes
86
Coating Layers
8 layers
Anti-Reflection Coating
Yes
Water & Oil Repellent Coating
Yes
Stain Resistant
Yes
Super Scratch-Resistant Coating
No
Antistatic Coating
No
Hardened Glass
No
Super High Transparent PL film
Yes
UV Cut Ability
Yes
ND Number (Filter Factor)
2.2
Transmittance EV correction
1-stop
Frame Material
Aluminum