There are still a lot of people out there who don’t really know what EF, EF-S and L is all about. In this post I will try to clarify exactly what this is all about.
Plastic versus metal mount
Most Canon lenses feature a metal mount. In order to make lenses cheaper, some lenses have plastic mounts like the Canon EF 50mm f/1.8 II:
There is no real downside to a plastic mount in regards to optical performance of a lens. That said, it may be obvious to you that READ MORE »