Astronomical Telescope Extension Tube
Project Type: M 48*0.75 Extension Tube Material: Alloy Color: Black Interface: M 48*0.75 Qty: 1 pcs Weight: about 76g Length: about 5mm/0.20" 10mm/0.39" 15mm/0.59" 30mm/1.18" Package List1 xM 48*0.75 Extension Tube