Baader T-Ring Four Thirds (4/3) to T-2
- Baader T-Ring to compact cameras with 4/3 on the Astro T-2 system
- Allows the connection of lenses with 55mm back focus.
- Represents the standard exact distance of 55.0mm from the front support surface of the T-ring to the image plane of the camera body forth
- On the camera side: Four-Thirds connection (not Micro), telescope side: T-2 internal thread with 0.75mm pitch