ITEM NAME:1.25 inch Astronomical Telescope T-Adapter with M42X0.75 Thread Metal 5P0012 New 1.25-inches diameter T-adapter:Fits all standard 1.25 inches telescopes or Microscope The ring adapter can’t auto focusing :The adapter ring has no electrical connection and diaphragm & focusing are required to be set by manual. Fully Oxidation Coating Metal - have internal threads (can add Astro Filter) Inside Threaded Extinction Treatment Specifications: Interface size: 1.25 inches External thread: M42X0.75mm Internal thread: M28X0.6mm Color: Black Material:Aluminum alloy 1 x T-Adapter.External thread: M42X0.75mm. The ring adapter can’t auto focusing :The adapter ring has no electrical connection and diaphragm & focusing are required to be set by manual. Internal thread: M28X0.6mm.
