H&Y Filters RevoRing MKII Variable ND3-ND1000 & Circular Polarizer Filter (82-95mm) Anti-Static Brushes 2 mil thick polypropylene is

2 mil thick polypropylene is completely archival and safe for long-term storage

So especially suitable as backlight source for use with camera scanners

stitching full sealing treatment to ensure low humidity requirements

you only need to purchase this if you need a replacement

JOBO 2502 Duo Set Film Reel

H&Y Filters RevoRing MKII Variable ND3-ND1000 & Circular Polarizer Filter (82-95mm) Anti-Static Brushes 2 mil thick polypropylene isH&Y Filters RevoRing MKII Variable ND3 ND1000 & Circular Polarizer Filter (82 95mm) Key Features Variable ND Filter & Circular Polarizer 1. 5 to 10 Stop Density Adjustment Advanced Locking Mechanism Size Adjustable Adapter Ring Fits 82 95mm Lens Filter Threads Schott B270 Optical Glass Darkens Entire Image Area Multicoating & Resistance Coating Twist to Attach in Seconds High Grade 6063 Aluminium Construction RevoRing MKII The Ultimate Step Up Ring