About the Hoya 37mm HD Protector

The Hoya 37mm HD Protector is the ultimate in clear filters.

It will not affect the colour balance or performance of your lenses in the slightest.

However, constant use will protect your valued lenses from expensive front element damage which could be caused by dirt, knocks or scratches.

HD Glass

• Ultra Clear High Transparency Optical Glass
• Chemically Enhanced Optical Glass is 4x Stronger

HD Coating

• 8-layer Anti-Reflective Multi-Coating
• Water & Oil Repellent, Scratch & Stain Resistant

HD Frame
• Wide-Angle Lens Compatible Ultra Thin Frame
• Glass Mounted with High-Pressure Press Technology

Filter Type	Clear
Filter Factor	1 (0 Stop)
Shape	Circle
Filter Material	Glass
Ring Material	Aluminium
Knurling	Front
Coatings	Multi-Coating
Colour Temperature Effect	None