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> TS Optics Extension tube M48 17-23mm
Customer reviews
Useful to optically fine-tune the 2" connections
Review by macoram on 05.05.2017 14:37:23( 5 / 5 )
A very useful extension to fine-tune the 2" pathway between th telescope and the astrophotography gadgets. Together with T2 extensions between them and the camera we get an optically very stable but also very dynamic astrophotography chain with full control of vignetting and back-focus.
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