For professional sports photographers (and a very few others) one of the big bugaboos with Single Lens Reflex cameras is the ...

The Camp Snap is a simple fixed-focus digital camera with only an optical viewfinder and a shot counter, which has become a surprise hit among photography enthusiasts for its similarity to a ...

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 photographic ...

DSLR cameras offer versatility, manual controls, and better compatibility with lenses. Discover how they work and why many photographers still prefer them.

Nikon will stop developing new single lens reflex (SLR) cameras and focus exclusively on mirrorless models, according to a report from Nikkei. The news marks the end of an era and essentially confirms ...

I think it has something to do with the mirror behind the lens that lets you look into the viewfinder and see exactly what the lens will capture.