The Vologda MIR-47K 20mm f2.5 lens is a relatively fast wide-angle lens for the Pentax K mount.An “homage” to the classic Zeiss Flektogon, this is a modern coated lens (multicoated, even!) with pretty decent build quality. Clean glass, good aperture, smooth ifslightly higher-dragfocusing action. Cosmetic condition is excellent. Includes front and rear caps.