Premium filter with 32 layers anti-reflective, ultra-hard coating and toughened UV glass. Water & oil repellent
A density adjustable filter with an ND range from 1.5 to 9 f-stops (ND3-400)
Moistureproof filter case for photo filters, with silicone gel. Filter diameters: 58 - 86mm.
Hoya gray filters are color-neutral filters. They have many uses. They allow you to extend the exposure time when stronger stops are not possible