HOYA : فیلتر UV 67 میلی متر مشکی

10-stop neutral density filter
3.0 solid optical density
Metallic ACCU-ND coating
Clear optical glass construction for notable quality
One-piece aluminium ring

Strengthens colour and contrast
Eliminates reflections from non-metallic surface such as water, glass etc.
Increases contrast and colour saturation
Helps to increase saturation and contrast in blue skies and white clouds
Polarising filters do not affect the overall colour balance of a shot