The Baader T-Ring is to connect the Canon EOS DSLR cameras on the Astro T-2 system
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: Canon EOS Bayonet
Telescope side: T-2 internal thread with 0.75mm pitch
SPECIFICATIONS
Weight - 0.056kg
Optical tube length - 11mm
Usage - to connect (D)SLR cameras to the Astro T-2 thread system
Camera Adaptable - Canon EOS EF
Inner Diameter / Clear Aperture - 41mm
Outer Diameter - 64mm
Inner Connection (lens sided) - Thread, T-2 (M42 x 0,75)
Outer Connection (eyepiece/-camera-sided) - Bayonet
Compatible Brands - Astro T-2, Baader Planetarium
Type of Adapter - Camera Adapter