What are the main differences between Canon EF-S and EF-M lenses, and which one would be more suitable for my photography needs?

The main differences between Canon EF-S and EF-M lenses are their compatibility with different camera models. EF-S lenses are designed for Canon DSLR cameras with APS-C sensors, while EF-M lenses are made for Canon mirrorless cameras with APS-C sensors.

If you have a Canon DSLR camera, EF-S lenses would be more suitable for your Photography needs. If you have a Canon mirrorless camera, EF-M lenses would be the better choice. It's important to choose the lens that is compatible with your camera to ensure optimal performance.