Kiron 105mm F/2.8 MC Macro 1:1 Manual Focus Lens For Pentax K Mount Review

The Kiron 105mm F/2.8 MC Macro is a third-party manual focus macro lens originally designed for Pentax K-mount cameras. It offers true 1:1 reproduction ratio, making it suitable for close-up work, product photography, and macro subjects. As a legacy optic, it lacks modern conveniences like autofocus and electronic communication with the camera body, but it can be adapted to a variety of mirrorless systems with the appropriate adapter.

This lens comes from the era when independent manufacturers like Kiron (tied to Kino Precision) built affordable alternatives to first-party glass. At 105mm, it provides a comfortable working distance compared to shorter macro lenses, reducing the chance of casting shadows on your subject. Build quality is fully manual with an aperture ring and focusing helicoid. Available on the used market at modest prices, it appeals to budget-conscious shooters willing to work manually or those seeking vintage character for video and stills.