Important! Ricoh released their DSLR camera development SDK! Yep, it includes support for the Pentax K-1. It’s under a proprietary license, though.
20180521/https://www.pentaxforums.com/articles/pentax-news/ricoh-releases-sdk-for-pentax-cameras.html 20180521/https://api.ricoh 20180521/https://api.ricoh/products/camera-sdk/ 20180521/https://api.ricoh/docs/ 20180521/https://api.ricoh/docs/camera-usb-sdk-cpp/ 20180521/https://api.ricoh/docs/camera-usb-sdk-cpp/quick-start-linux/ 20180521/https://api.ricoh/docs/camera-usb-sdk-cpp/open-source-software/ 20180521/https://api.ricoh/downloads/ 20180521/https://console.api.ricoh 20180521/https://api.ricoh/terms/ 20180521/https://api.ricoh/terms/camera-sdk/ 20180521/https://api.ricoh/products/camera-sdk/ 20180521/https://api.ricoh/getstarted/ 20180521/https://api.ricoh/faq/ 20180521/https://github.com/ricohapi?utf8=✓&q=&type=source&language=
Oh, very interesting review.
20180521/https://www.pentaxforums.com/reviews/smc-pentax-fa-77mm-f18-limited/introduction.html