The generic, non-branded gadget slides into a hot shoe or cold shoe and uses mirrors to bounce the view to the top of the camera, rather than relying on a standard viewfinder or LCD screen.

See DSLR. Small, point-and-shoot cameras use a "live preview" LCD screen to take pictures and display the stored images. Digital SLRs have a traditional viewfinder that you press your eye against ...

A mirrorless camera is transforming the world of photography with its compact design, advanced features, and superior image ...