Feature:
1. All metal, anodic oxidation, aluminum manufacturing process, can used for a long time.
2. Using this extension tube, can obtain correct image scale.
3. Inner wall with extinction treatment to avoid radiating light affecting image.
4. Fine workmanship, practical astronomical telescope accessory.
5. Professional manufacturing, stable characteristics and high reliability.
Specification:
Condition: 100% Brand New
Item Type: M48*0.75 Extension Tube
Material: Alloy
Color: Black
Interface: M48*0.75
Quantity: 1PCS
Weight: Approx. 76g
Length: Approx. 5mm/0.20inch, 10mm/0.39inch, 15mm/0.59inch, 30mm/1.18inch
Package List:
1 xM48*0.75 Extension Tube