The Canon S5 and S3 cameras are point & shoot cameras and don't work with the interchangable lenses that SLR's use. There is a teleconverter and wide angle converter available for the lens but these are made by canon. So the Carl Zeiss lenses will no...
Are the lenses Nikon lenses, or an off brand with Nikon mounts? You will get more from Nikon lenses. Hard to tell what you can get. I've been told that flash units don't sell well. Camera bags don't sell well either. Maybe $100-$150 for the camera.
Sony handycam lenses are great. They are generally a plastic lens that are quite resistant to scratching. Sony also does business with Carl Zeiss. Now, although this is a licensing agreement only Carl Zeiss does not actually build the lens but they d...