Singh Ray LB Warming Circular Polarizer (77mm) lens mount_Contax G The Lab-Box is a daylight

The Lab-Box is a daylight film processing tank modeled after the old Agfa Rondinax system: you don’t need a changing bag or darkroom for any part of the process

if you want to analyze your golf swing the old-school way or try some experimental shooting

back is light-tight with good frame spacing

All screens are in excellent optical condition

Compact and well built

Singh Ray LB Warming Circular Polarizer (77mm) lens mount_Contax G The Lab-Box is a daylightThe Singh Ray LB Warming Circular Polarizer is a circular polarizer with a bit of a warming effect which is nice! This is the LB version of this filter, which is lighter and brighter to pass 0. 6 stops more light than other polarizers. In excellent condition, with pouch.