Some here might find this interesting: adapting Takumars and other M42 lenses for cine use on the LPL mount… https://youtu.be/BzCxV5fr238 <https://youtu.be/BzCxV5fr238> and https://www.newsshooter.com/2024/01/27/simmod-lens-launches-m42-lpl-prolock-conversion-system-for-pentax-takumar-lenses/ Cheers Cotty