The New Athabasca MoFrame GND16 (1.2) 4-stops 100 x 150mm Graduated Neutral Density Square ND Filter features a unique SUPER THIN 1.1mm design that is impact resistant which is a world first for square filters. 

 

• Tempered glass meaning impact resistance which is a world first in square filters
   
• Nano coated optical enhanced glass providing an anti reflective, Scratch resistant, optically superior filter.
   
• Stain resistant square filters that are easy to clean. Splashes of the sea being hard to clean is a thing of the past. As these filters are so easy to clean and leave no stains.
   
• 4-stops GND filters provide an amazing low reflections and light reducing layer.
   
• Thinnest and most lightweight 4-stops filters in the world weighing at only 39g for GND filters. Being so lightweight and durable means a greater experience in travel. You can take these with you and not have to worry about adding on much weight to your kit.