Pentax's budget AF telephoto — the F 80-200mm for K-mount at entry specification.
The Pentax F 80-200mm f/4.7-5.6 is a budget AF telephoto zoom for Pentax K mount. The F designation indicates Pentax's first AF generation. At 80-200mm with a slow variable aperture. A basic AF telephoto at minimum specification. The SMC coating helps contrast. Benefits from body SR on digital Pentax bodies for stabilised telephoto.
Basic Pentax F-series quality. The very slow f/4.7-5.6 limits use to bright conditions. Sharpness acceptable stopped down. SMC coating. The 80-200mm covers standard telephoto. Benefits from body SR — a genuine advantage at this focal range for handheld use. Screw-drive AF using body motor. A basic but functional K-mount telephoto.
Pentax K mount with AF. Filter thread varies. Weight varies. Build quality basic F-series. Screw-drive AF. Benefits from body SR. The very slow aperture is the main limitation. Better K-mount telephoto options exist. The FA version adds program mode compatibility for digital use.
Very cheap. Basic K-mount telephoto. Benefits from body SR. The very slow aperture limits use. The FA version is preferred. Better telephoto options at similar cost. Only at near-zero pricing. The body SR partially compensates for the slow aperture.