Digital single-lens reflex cameras (also named digital SLR or DSLR) are digital cameras combining the parts of a single-lens reflex camera (SLR) and a digital camera back, replacing the ...
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 ... DSLRs" or "mirrorless SLRs" because they support multiple lenses like a single lens reflex camera and generally offer an optional viewfinder.