SLR and system cameras: How to choose between the two

You want a new camera, this time a really good one? If you're thinking of joining the world of SLRs and system cameras, you need to know the pros and cons. — dpa

If you find that a smartphone doesn't meet all your photography needs you should think carefully about what kind of camera to buy. There are basically two types, SLRs and system cameras.

So what’s the difference?