SLR cameras are top notch cameras and are also quite expensive. Their photo taking ability can be enhanced through its add ons. A SLR camera deserves a nice SLR camera bag to organize all those accessories.
The camera itself and the accessories should fit in nicely within the SLR camera bag. But you also have to be comfortable carrying it around. This is because the camera and its accessories might be quite heavy to carry.
You need a smaller SLR camera bag if you are used to taking photos in a quick snap. This camera bag can fit in one camera and 4 lenses only. They also come as water resistant.
If you are the type who goes hiking, fishing, or getting lost in the woods just to take precious shots, then you should look for a SLR camera bag that is terrain and weather proof. There are also some of these types that can be worn on your waist just like a belt bag.
When you are carrying more than one SLR camera and at least 10 lenses, then what you need is a big SLR camera bag abundant with compartments. If there is one that you can find, get a bag that can be alternated from a shoulder bag to a backpack.
When choosing a SLR camera bag, you need to think about where you will use it, what location you will go to, and the equipment that you will be carrying around. This is how you determine what kind of SLR camera bag that suits you just fine.