The Ice 100 x 100mm Circular Polarizer Filter is compatible with filter holders that can accommodate 100mm wide, 1.7mm thick filters. It helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges and filters this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

Circular Polarizer Filter    2x Filter Factor, 1-Stop    Helps to Eliminate Reflections and Glare    Reduces Haze in Landscapes    Greater Color and Tonal Saturation    Optical Glass    Plastic Case

Compatible with filter holders that can accommodate 100mm wide, 1.7mm thick filters.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.

Polarizing filters arrange and filter directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.

Clears up haze in distant landscapes and provides more saturated, vivid colors.

Strongest effect when used at a 90° angle from the sun.

Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.

Non-coated.

2x filter factor reduces exposure by 1 stop.

Constructed from optical glass for clarity and color fidelity.

Plastic case for storage and transport.

Related Questions and Answers

Q: 1. Anyone using it with the auto focus on the Canon EF 100-400mm f/4.5-5.6L ISII USM Lens on a 90D body? Off brand CPL interferes.

A: Ice 77mm Slim Multicoated Circular Polarizer Filter does not interfere with any of the autofocus modes when conneting the Canon EF 100-400mm f/4.5-5.6L ISII USM Lens on a 90D DSLR camera. The camera and lens have a smooth transition even in tracking focus.

Q: 2. Does the rear ring ever bind or cross-thread?

A: PolarPro 77mm QuartzLine Circular Polarizer Filter is made of Brass and well built. It will not bend / cross thread under normal circumstances.

Q: 3. Never heard of ICE. Does this produce a color cast?

A: ICE filters are made by Desmond Photographic. The Ice 82mm Slim Circular Polarizer Filter is neutral and should not have a color cast.

Q: 4. Is this polarizer scratch-proof?

A: The Sony 82mm T* Circular Polarizer Filter is not published by the manufacturer as being scratch-proof.

Q: 5. Does this produce a color cast?

A: The Ice 100 x 100mm ND8, ND64, and ND1000 Solid Neutral Density Filter Kit with Wallet (3, 6, and 10 Stops) are color neutral and should not cause any color cast.

Q: 6. What material is the ring made of? Brass, Aluminum, or other?

A: The ZEISS filter housing is made from aluminum. For more details about these filters, please visit: https://www.zeiss.com/consumer-products/int/photography/accessories/filter.html.

Q: 7. Will this fit the Cokin Z-Pro and/or Lee filter holders? Cokin accepts 1.5mm thick filters and Lee accepts 2.0mm filters. Thanks.

A: This will not fit into the Cokin Z-Pro or Lee filter holders. It is designed for Wine Country filter holders only and is 7mm thick.

Q: 8. Is this a circular polarizer? Are there any pics of it?

A: Yes, it is a circular polarizer. The first photo, is a direct photo of the filter.

Q: 9. Is this filter multicoated?

A: No. This is not Multi-Coated.

Q: 10. Is this a good filter for Leica Q2?

A: Yes, this 49mm Carl ZEISS T* Circular Polarizer Filter is a good filter to use with the Leica Q2.