Eyes are one of the most important parts of sensory organs. We perceive beauty through eyes. Beauty is always appreciated and people look forward to find beauty in their surrounding. When it is seen human beings like to store it for their future viewing. Therefore, camera came into use. People take pictures of beauty or events, happening so that they can view and remember in the future.

Single Lens Reflex (SLR) cameras: Mirrors are used for reflecting light, which enters lens through viewfinder. The lens used in SLR cameras can be changed. The special feature of this type of camera is that it is used by the professionals and for long distance photography.
 
A digital camera does not use films to remove pictures, instead it uses sensor chips and digital memory cards we can say it is compared to SLR camera a digital camera is a automated version. DSLR cameras work on high speed than SLR cameras; overall, we can say that with DSLR cameras, the picture quality is much better than that of SLR camera. DSLR cameras are costlier than an SLR camera.

Also, find some similarities in the functions of SLR and DSLR cameras. Both use exchangeable lenses to get good pictures; both use law of optics to function.

After going through the differences and comparisons, you decide as to which camera you will go for. If you are serious to pursue photography as a hobby or a profession then go for Digital Camera.