Description
1.25 Inch Interface Focusing Seat for Inner Diameter 60mm DIY Refracting Astronomical Telescope Focusing Seat Focusing Cylinder Name: 1.25 inch interface focusing seat Material: ABS+Metal Eyepiece interface specification: 1.25 inches Focusing mode: oblique teeth with manual focusing Gear shaft material: steel shaft copper teeth 60mm refraction interface: focusing length 120mm, suitable for 60mm inner diameter refraction tube