I have a case for this exact phone, it still rocks with a case.

Any phone case worth more than a pile of dog fecal matter will put a rim around the lense glass or indentation to keep it from being flush with the rest of the phone (and surface you lay it on). The problem with this particular Samsung is the lense portrudes far too much, making cases excessively thick or in my case, wobbly when laid flat.

I prefer it when camera bumps are symmetrical but still individual