If you are buying a SLR camera that is at least $500, protecting it will be a necessary step that you will have to take. You will have a lot of options for buying an SLR camera bags. You might have to take a lot of decisions like the size and shapes. You might get something that will be a backpack or the one in its simplest form.
Protecting a SLR camera is much more difficult as compared to the normal digital camera, where the lens goes inside the camera when not in use and has very small joints, which dose not usually allow the dust particles to enter inside the camera. Whereas, on the other hand the SLR cameras have a lot of openings and it is difficult to protect the lens. The lens forms the major part of the camera and has to be handled with utmost care. A simple mistake and the camera might get ruined.
When you are buying a case for your SLR camera it is important to consider a few things like it should have fitting for each and every part, whether you are looking for a small bag or a camera pack and even the texture of the same holds a lot of importance. You should always get one that is especially made for the model that you are carrying, as it is important that your camera fits in the case in the most perfect manner. This will help you make sure that your SLR camera is safe at all times.
The texture and the straps of the same will mainly depend, where you would like to carry. For example, if you go a lot for hiking or tracking then a SLR camera bag will be the best for you.