Hoya 37mm Fusion One Next lens protector 

HOYA FUSION ONE NEXT is an update of the HOYA FUSION ONE series and continues to benefit photographers in a variety of shooting conditions by incorporating high-quality optical glass with HOYA's water repellent and stain resistant Super HMC coatings which make filter maintenance easy whilst providing reliable protection for the camera lens.

• 18 coated layers provide ultra-high light transmission
• Stain resistant - protects from fingerprints and smudges
• Water repellent - easy to keep filter clean
• For permanent lens protection
• HOYA's professional grade optical glass
• Exclusive one-piece, low-profile filter frame with front filter thread
• Made in Japan

The word "ONE" in the naming of this series is maintained as legacy of HOYA PRO-1D, in memory of its contribution to photographers' creativity, with the belief that this new series will serve well for many decades ahead.

FUSION ONE NEXT filters have been designed to match the rigorous standards and optical capabilities of modern, high-resolution lenses. They join the HOYA filter line-up as a fusion of all the highly valued specifications: Multi-layer coating, ultra-high light-transmission, professional-grade optical glass and a low-profile filter-frame. They additionally incorporate stain resistance and a water-repellent coating.

The PROTECTOR filter is designed for constant use and is recommended for shielding your valuable lenses from expensive front element damage that could be caused by knocks, dirt or scratches.