B+W Soft-Image (77mm) brand_Really Right Stuff Leitz 39mm HOODF infrared filter

Leitz 39mm HOODF infrared filter for 35/50mm Summicron lenses and others with a 39mm filter thread

and the film transport mechanism works just fine

or on bellows and adjustable helicoid extension tubes (not included

Quick and easy to use: just set focus and hit the button

and so is the strap

B+W Soft-Image (77mm) brand_Really Right Stuff Leitz 39mm HOODF infrared filterB+W Soft Image filter for 77mm filter threads. A fancy way to make your picture a touch softer but the effect from the dot style diffusion material is more interesting than a standard softening filter. Image is for illustrative purposes only. Actual item may differ.