For those unfamiliar, DSLR is an abbreviation for "Digital Single-Lens Reflex" — a term that actually delves into how DSLR ...

All zoom lenses in film cameras and digital single lens reflex (DSLR) cameras are optical zoom. Digital point-and-shoot cameras as well as consumer and prosumer video camcorders have optical zoom ...

A digital camera that accepts different lenses but does not use a mirror to reflect the image into the viewfinder. Also called a "mirrorless interchangeable-lens camera" (MILC), "hybrid camera ...

Single-Lens: A DSLR uses the same lens for both previewing the scene in the viewfinder and capturing the image. Older twin-lens reflex or TLR cameras, on the other hand, used two lenses of the ...