Print File BLK 35-4C Archival Album Pages - Compact (Black) for 4 Prints - 3.5 x 5" (12 Pack) Airline Stowaway it provides a 90mm unthreaded

it provides a 90mm unthreaded front ring that holds 90mm magnetic filters

CHAMONIX FH810 Film Holder 8x10 (Wooden) with Carbon Fibre Dark Slide - Sheet Film

and REVORING Vari ND CPL filters

Filter does not affect coloration of the image and is ideal for use with other filters

Print File BLK 35-4C Archival Album Pages - Compact (Black) for 4 Prints - 3.5 x 5" (12 Pack) Airline Stowaway it provides a 90mm unthreadedPrint File BLK 35 4C Archival Album Pages Compact (Black) for 4 Prints 3. 5 x 5" (12 Pack) Preserving Memories with Archival Storage Solutions for Film & Prints Key Features Holds 4 x (3. 5 x 5") Prints per Page Hold 2 Prints on Each Side 12 Preservers per Pack C Series (Compact) Album Pages Colour: Black background enhances photographs Clear Archival Quality, No PVC Safe for Long Term Storage 3 Hole Punched High Clarity 8 mil Polypropylene Archival