Kodak Retina Close-Up Lens Set Type N (32mm) brand_Nissin This black chrome M4-2 is

This black chrome M4-2 is a classic M-mount rangefinder camera with 35/50/90/135mm framelines

based on older

8 lens is a standard lens for the M42 thread mount

The Olympus Zuiko 50mm f2 Auto-Macro is a great lens for macro and everyday use- this is a fast 50mm no matter what the occasion

here's a bracket for it

Kodak Retina Close-Up Lens Set Type N (32mm) brand_Nissin This black chrome M4-2 isThis original Kodak set includes two 32mm diameter close up diopters for use with Kodak Retina Reflex cameras with 50m f2. 8 or 50mm f2 lenses. Diopters are in excellent condition; box shows some wear, so don't buy it for the box.