我想問DSLR常用幾多種Mount???

我識的有:

Canon EF/EF-S Mount

Nikon F / AF / AI Mount (Fujifilm why also is F mount???)

Sony / Minolta Alpha / A mount

Olympus 4/3 Mount m4/3 Mount (Panasonic is Same m4/3???)

Pentax K Mount

Sansumg also is K Mount ,,(But Now have NX Mount what different???)

Sigma SA Mount

Contax ???Mount

Leica S Mount


上面有問號？都想有人解答，

世上仲有乜其他Mount呢?我想知。

有錯煩請指正！！