Jul 07, 2023 Jaron Schneider This New 28mm f/2.8 Lens for Leica Rangefinders is Comically Thin Funleader's latest lens is the Brightin Star XSLIM-M 28mm f/2.8 for Leica M-mount and it brings a distinctly vintage look to an optic that is just 9.9 millimeters thick. Jul 07, 2023