Lens mounts
Six mount families across four brands. The mount decides what attaches. The sensor decides how much of the lens's image you actually use.
Canon RFRF
EOS R cameras, RF lenses, and adapted EF glass.
10 cameras · 21 lensesNikon ZZNikon mirrorless, NIKKOR Z, and the FTZ adapter.
7 cameras · 19 lensesSony EαOne E-mount. Full-frame FE and APS-C lenses.
10 cameras · 24 lensesFujifilm XXAPS-C X Series cameras and Fujinon XF / XC lenses.
11 cameras · 25 lensesCanon EF / EF-SEFFull-frame and APS-C Canon EOS DSLR systems.
2 cameras · 5 lensesNikon FFNikon DSLRs, with focus-motor differences explained.
3 cameras · 5 lensesMount and sensor are different things
A Sony E lens and a Sony FE lens share the same mount, but only the FE lens covers a full-frame sensor. The same split exists between Canon RF and RF-S, and between Nikon Z and Z DX. That is why a lens can attach and still use only part of your sensor. How we check