About the product
- Wolverine Series. KW Toughened Optical Glass. Nearly Unbreakable. 7 X Stronger than Normal Glass
- IR-CUT Infrared cut-off coating Scratch resistant
- Super Waterproof Easy Clean
- 3 Stop exposure correction. Optical Glass. No color cast
- Fits Lee, Haida & Hitech, Cokin Z , Nisi etc 100mm holders.
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