Astronomical Telescope Extension Tube, Alloy Black M48x0.75 Extension Tube Anodic Oxidation Astronomical Telescope Accessory, Four Lengths for You (5mm)

Description

• All metal, anodic oxidation alumina manufacturing process, can used for a long time.
• Using this extension tube, can obtain correct image scale.
• Inner wall has extinction treatment, avoid radiating light affect imaging.
• Fine workmanship, sturdy, and long service life.
• Four lengths for you to choose, to meet different needs and requirements.

Feature:
1. All metal, anodic oxidation alumina manufacturing process, can used for a long time.
2. Using this extension tube, can obtain correct image scale.
3. Inner wall has extinction treatment, avoid radiating light affect imaging.
4. Fine workmanship, sturdy, and long service life.
5. Four lengths for you to choose, to meet different needs and requirements.

Specification:

Condition: Brand New
Item Type: Extension Tube
Material: Alloy
Color: Black
Interface: M48x0.75
Quty: 1PCS
Optional Length: Approx. 5mm/0.20inch, 10mm/0.39inch, 15mm/0.59inch, 30mm/1.18inch

Package List:
1 x Extension Tube

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