Celticbird 20mm Astronomical T-Thread Spacer Ring / T2 Thread Extension Tube - T-Mount Extension Ring - M42x0.75 on Both Sides
Feature:1. Easy to install, perfect replacement for the old or damaged one, reliable to use.2. Made from high quality aluminum alloy, which is wear‑resistant and not easy to damage.3. Using fine workmanship CNC technology, the accuracy is higher, durable.4. The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.
Product Features
- Use this 20mm extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
- Male thread M42*0.75; Female thread M42*0.7; eliminates a range of focusing problems.
- Idea accessory to link or extend 20mm of the M42*0.75 products
- The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography.
- Fully aluminium anodized black.
Tags:electronics_new_Nov2022
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