- Protects the lens against scratches, dust and finger-marks.
- Multi-layer coating (HTMC): four layers of coating are vapour-deposited on each side.
- Quality standard (glass): ProClass *****.
- Impact of the picture:
- Clear, sharp photos in colour and black/white.
- Blocks UV rays up to 390 nm.
- Filters haze and avoids unsharpness.