https://www.universeoptics.com/product/tu400ac-filters-mounts-rings-and-accessories/
TU400AC-Filters - Mounts - Rings and Accessories | Universe Optics
rings and accessoriesfiltersmountsuniverseoptics
https://www.universeoptics.com/product/b01-filters-mounts-rings-and-accessories/
B01-Filters - Mounts - Rings and Accessories | Universe Optics
May 22, 2019 - B01 plastic lens mount CCD holder. M12 P=0.5 mount. PDF diagram available. Other lens mounts available for multiple applications.
rings and accessoriesfiltersmountsuniverseoptics