Adorama 37mm to T-mount Adapter: for Mounting 37mm Threaded Digital Cameras on a Telescope, Spotting Scope or Nightvision Scope
This is a 37mm thread to a T-mount (42mm) thread adapter. It allows all 37mm threaded cameras to be used with telescope and spotting scopes, through the use of a scope T-adapter. Most scope to T-adapters are available through the scope manufacturer.