This neat device is a lens hood combined with a pola filter for the 39mm size leica Summicron M lens.
The hood & filter can be flipped 180 degrees so the effect can be seen through the viewfinder. (Some people take the pola filter out and just use it as a high quality hood for their Ms.)
Note we have two available so the one you receive might be slightly different to the pic.
loc Lei6
Leica 13352 lens hood & swing out Pola filter for 50 summicron M
$175.00Price