T2 Adapter Ring for Canon EOS EF / EF-S Mount – Connect Your Telescope using this adapter for Canon EOS Cameras Built from high-grade anodized aluminum for maximum strength and corrosion resistance. This adapter is made to last through years of night sky exploration. Smooth and accurate thread machining ensures a tight, wobble-free connection between your telescope and camera. No light leaks or alignment issues. No tools required! Simply screw the adapter onto your telescope's T2 thread and mount your M42 camera body for an instant astrophotography setup