Sigma’s super Ceramic Filter is now on sale in USA via BHphoto (Click here), Adorama (Click here) or Amazon US (Click here). Those are the key features:
- Clear Protection Filter
- Prevents Damage to Lens
- 1x Filter Factor, +0 Stop
- 99.76% Transmittance
- No Effect on Image
- Clear Glass Ceramic Construction
- Scratch- and Shock-Resistant
- Water-Repellent Coating
- 77mm Front Threads
- Durable Acrylic Filter Case