Specifications: Color: Black Material: aluminum Size: 9cmx4cm/3.54''x1.6'' Diameter of inner thread: 3.17cm/1.25'' Features: It offers 1.25 inch mounting sizes on telescope side. Outer and inner thread, one side is to fit T-ring, the other side is 31.7mm(1.25''), which fits for telescope mount adapter. It is compatible for Canon camera. Package Included: 1 x Telescope Mount Adapter 1 x T-Ring for Canon EOS 1 x Extension Tube.
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