DSLRs
DSLRs are digital single-lens reflex cameras that use a movable mirror and an optical viewfinder to compose images. Light entering the lens is reflected by the mirror up into a pentaprism or pentamirror and then to the eye through the viewfinder. When a shot is captured, the mirror flips up, the shutter opens, and light reaches the image sensor.
DSLRs feature interchangeable lenses and digital sensors, typically in APS-C or full-frame formats. They usually include
Autofocus in DSLRs traditionally relies on phase-detection AF via a dedicated module or the main sensor when
Compared with mirrorless cameras, DSLRs retain an optical viewfinder and, in many cases, longer battery life
Market status and uses: DSLRs continue to be produced by some brands but have declined as mirrorless
Examples include Canon EOS 5D Mark IV, 6D Mark II; Nikon D850, D750; and Pentax K-1.