Nikon: Df, F3, fM2,ZF (do not need rubber ring). Leica: Q3, M7, M8, M8.2, M9, M9-P, M10, M-E, M-P, M-A, M-Monochrom, M Type 240. Fujifilm: X100VI, X-T5, X-T4, X-T3,X-T2, X-T10, X-T20,X-T30, X-T30 II, X-PRO1, X-PRO2, X100, X100S, X100T, X100F, X30, X20, X10, X-E3, X-E2S.
eBay