VITE Metal T-ring Adapter for Sony MA Minolta AF DSLR Cameras and 1.25'' T-adapter(Black) Designed for Sony MA Minolta AF DSLR Cameras digiscoping: Connect camera to telescope for direct (Prime focus) photography convenient and easily Super easy to use: Thread T-adapter into T-ring adapter,then thread the whole mount adapter into DSLR/SLR to connect to telescope Universal T-adapter fits all standard 1.25" diameter telescope/microscope etc ;T-ring adapter only for Sony MA Minolta AF DSLR,allows you to attach a Sony / Minolta AF cameras to a telescope, camera adapter, and other astrophotography accessories The auto focusing will not work with this t-ring adapter,it has no electrical connection and diaphragm & focusing are required to be set by manual;High quality durable metal materials: One time purchase for long-term use LIFETIME WARRANTY: WE CONFIDENTLY PROMISE LIFETIME WARRANTY FOR EACH ONE FROM VITE