What does SLR stand for with digital cameras?

SLR stands for Single Lens Reflex. In this sort of camera one lens is used for both focusing and taking this picture. In most SLRs light is directed between the 2 functions by means of a 45 degree mirror which swings up as the shutter is activated but before it actually opens. The big advantage of an SLR over other camera types is that the image in the viewfinder is the same as that in actually captured on the film. ...
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single lens reflex

Single-lens reflex (SLR). It's a type of camera that uses a movable mirror placed between the lens and the film to project the image seen through the lens to a matte focusing screen.

Single-lens reflex camera.

SLR means single lens reflex. DSLR is the digital version. those are the camera's that you see professional photographers use, the big black bulky ones that has those huge lenses infront of it. the beauty of dslr is the ability to control the camera to almost anything that you want to do with it and be able to do it easily. it is although not very portable and the price ranges starts from $600, which is probably just the body. the lenses are the main thing that you really have to focus on, because lenses makes HUGE difference on photo quality. remember that even if you have a $10,000 slr body but your lens is a $60 one, dont expect pictures to be perfect in your eyes. but then really good pictures can be taken with just a $5 disposable, its just your imagination that you have to use to make something crappy to something wowee.

SLR = Single Lens Reflex