The Hoya HMC UV(O) filter uses optical grade glass and 6 layers of Hoya's HMC multi-coatings for 97% light transmission.
It is great at protecting your front element from dust, dirt, sand, moisture and scratches.
The filter is only available in 86mm and 95mm sizes and it is a popular filter for these lenses:
- Sony 200-600mm
- Tamron 150-600mm
- Sigma 150-600mm
- Nikon 200-500mm
- Sigma 180mm APO
- Sigma 85mm f1.4 ART