Lomography's LomoChrome '92 is designed to mimic the look of classic drugstore film that used to fill family photo albums. As we discovered, to shoot with it is to embrace the unexpected, from strange color shifts to odd textures and oversized grain. The good news is, photographers can still use their EF and EF-S lenses on any of Canon’s new mirrorless cameras if they first purchase an adapter. There are a few adapters available, two of which are the Canon Mount Adapter EF-EOS R and the Canon Control Ring Mount Adapter EF-EOS R. As the name indicates, the difference between the two is Canon EF-S. weather-sealed (splashproof) Canon EF 75-300mm F/4-5.6 III. Canon EF-S 18-55mm F/3.5-5.6 IS II. The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes. Has a metal mount. Canon EF 75-300mm F/4-5.6 III. Canon EF-S 18-55mm F/3.5-5.6 IS II. A metal mount is generally superior to a 50mm EF Lens (for DSLR) Cost: Buy used on KEH, $760. New from Canon: $1,400. EF to RF mount adaptor: ~$100 used, or $200 new from Canon. 50mm RF Lens (for mirrorless) Cost: Buy used on KEH, $1900. New from Canon: $2,100. Total Price Difference between the RF and EF lens (on KEH): $1,140 Ef versus EF-S Lenses. What's the difference between Canon EF-S and EF Lenses? In less than 100 seconds you'll learn the difference between the two sizes of EF vs EF-S doesn't change the field of view (perspective). The field of view is determined by the focal length with respect to the image sensor size. A 80 mm lens on a full-frame will have the same field of view as a 50mm lens on a cropped sensor. Jun 6, 2019 at 16:31. You'll be much better served by using the EF-S 55-250mm f/4-5.6 IS STM (or even the older EF-S 55-250mm f/4-5.6 IS II) than the EF 75-300mm f/4-5.6 that is the worst lens in Canon's current lineup. Yes, you can technically do it. But it will become effectively a 120-480mm lens from an FOV perspective (no pun intended). EF. EF stands for Electro-Focus and this applies to almost every Canon lens that’s intended for use with the company's full-frame DSLR cameras (and EOS film bodies). It's also used to describe the lens mount on these bodies, which features a single red dot that's used for mounting the lens. This term indicates that the camera and lens can 3mOYd3e.