Description The Athabasca 1000 filter kit features an extensive optical enhanced glass. Water repellent, Stain resistant, Scratch resistant with a double sided anti reflective film giving you a low reflection and light reducing layer. The glass features a 1.1mm thickness and the weight of the glass is 39g for GND filters and 26g for ND filters. Features: – Filter Holder 113x107x14.3mm – Adapter Ring 95×2.3mm (62mm, 67mm, 77mm, 82mm) – HD CPL of A3 91.5×3.5mm – Blade ND1000 (10 stop) – Blade ND64 (6 stop) – Blade RGND8 (Reverse Graduated Nuetral Density) – Blade GND8 (Graduated Nuetral Density) – with complimentary pouch