Photo 1 of Alstar Astronomical T2-Extension Tube Kit for Cameras and eyepieces - Length 8mm 10mm 20mm 40mm - M42x0.75 on Both Sides

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Photo 1 of Alstar Astronomical T2-Extension Tube Kit for Cameras and eyepieces - Length 8mm 10mm 20mm 40mm - M42x0.75 on Both SidesPhoto 2 of Alstar Astronomical T2-Extension Tube Kit for Cameras and eyepieces - Length 8mm 10mm 20mm 40mm - M42x0.75 on Both Sides