These ultra-thin genuine leitz filters are the only filters that fit on the 50/1.4 summilux lenses with 43mm filter mount that allow you to still use your ogiginal Leica lens hood.
Green and orange available. Good, used $240 each
Silver UV, as new, in box $330
Leica E43 filters for 50/1.4 Summilux ver1 & 2
$240.00Price