![Curious about how EF, EF-S, EF-M, RF, and their adapters work? Come be confused by my giant picture (or ask in the comments) : r/canon Curious about how EF, EF-S, EF-M, RF, and their adapters work? Come be confused by my giant picture (or ask in the comments) : r/canon](https://preview.redd.it/fnnq2w6870451.png?auto=webp&s=2bbd1b1255b6d9d2d6c69f46f0766d108d59ebca)
Curious about how EF, EF-S, EF-M, RF, and their adapters work? Come be confused by my giant picture (or ask in the comments) : r/canon
![Comparison of the EF and RF version of the 24-105 f/4L IS on the Canon EOS R5 - G-U Neukamp photography Comparison of the EF and RF version of the 24-105 f/4L IS on the Canon EOS R5 - G-U Neukamp photography](https://neukamp.de/wp-content/uploads/2020/09/24-105-EFvsRF-e1614156299556.jpg)
Comparison of the EF and RF version of the 24-105 f/4L IS on the Canon EOS R5 - G-U Neukamp photography
![Comparison of the Canon RF 24-105 f/4L with the EF 24-70 f/2.8L II on the EOS R5 - G-U Neukamp photography Comparison of the Canon RF 24-105 f/4L with the EF 24-70 f/2.8L II on the EOS R5 - G-U Neukamp photography](https://neukamp.de/wp-content/uploads/2021/02/EF-24-70-RF-24-105.jpg)
Comparison of the Canon RF 24-105 f/4L with the EF 24-70 f/2.8L II on the EOS R5 - G-U Neukamp photography
![Another indirect attack at Sony: Canon explains why short flange distance and large mount diameter matters - mirrorlessrumors Another indirect attack at Sony: Canon explains why short flange distance and large mount diameter matters - mirrorlessrumors](https://www.mirrorlessrumors.com/wp-content/uploads/2018/12/24_o.jpg)
Another indirect attack at Sony: Canon explains why short flange distance and large mount diameter matters - mirrorlessrumors
![lens design - What enables the Canon RF 70-200 f/2.8 to be much smaller than the EF version? - Photography Stack Exchange lens design - What enables the Canon RF 70-200 f/2.8 to be much smaller than the EF version? - Photography Stack Exchange](https://i.stack.imgur.com/F9JRw.jpg)