Allows attachment of a DSLR or Mirrorless camera equipped with a T-ring to a telescope
Useful for either prime-focus or eyepiece-projection astrophotography with refractors or reflector telescopes
Accepts 1.25" eyepiece inside for eyepiece projection astrophotography
Slides into 1.25" telescope focuser; has T-threads for attachment of camera body
Requires T-ring (sold separately) for your particular brand of camera