Definition of "SLR"

But to be clear, that’s not to say I’m not a photo-taker. I’m no expert, but I dabble. I got my first manual SLR at sixteen, and learned print-making as an unofficial apprentice to the editor of the high-school paper.

2009, Benjamin Obler, Javascotia, London: Penguin Books

And images of other cameras came tot him: old-style TV cameras, motion-picture cameras on cranes, tiny digital cameras, Polaroid cameras, SLR cameras, all of them superimposed.

2012, Robert J. Sawyer, Triggers, Toronto: Viking

The imaging unit is not without flaws, and it’s not as powerful as a professional hand-held S.L.R. camera. For example, there’s a noticeable fish-eye distortion in the image that comes from the unit’s really wide vision angle, and you can’t zoom the field of view.

2014 January 1, Kit Eaton, “Civilian Photography, Now Rising to New Level”, in The New York Times‎