Core OBT adapter for OBS / CU-231-OBSA

This is a dedicated adapter for installing the Core Unit optical system with an optical axis height of 30 mm assembled with Compact Aluminum Rails (OBS), on the Medium Low-Profile Optical Rails (OBT-SH) on which a 2-inch Σcube (CU-222) is assembled, and further adjusting the optical axis height to 68 mm. This adapter is placed on the Core OBT Carriers (CU-231), and the Compact Aluminum Rails (OBS) is fixed on it for use.