B+W TOP-POL Linear Polarizer (58mm) lens mount_Olympus OM colour coded to avoid cross-contamination

colour coded to avoid cross-contamination and designed to rest securely on the edge of a developing tray instead of just sliding in

or a film-based Fujifilm X100

with under 400 actuations (that's pretty darn low)

It doesn't affect function at all

The Phenix 205 E is a Chinese 35mm rangefinder camera with a fixed 50mm f2

B+W TOP-POL Linear Polarizer (58mm) lens mount_Olympus OM colour coded to avoid cross-contaminationB+W TOP POL Linear Polarizer for 58mm filter threads. A high quality polarizing filter to reduce glare and reflections. Note that a linear polarizer like this one may interfere with the autofocus system of a film or digital SLR. Image is for illustrative purposes only. Actual item may vary slightly.