kson refractors

... easily upgraded to wireless function with the use of Kson Astro-WirelessTM integrated with GPS-Wireless Router or GPS- ... Hand figured High-Definition ED doublet or APO triplet superior refractors, or parabolic mirror Fully broadband multicoated on each surface, ... , provide better accuracy pointing, extreme smooth movements Compatible with Kson Astro-Wireless adaptor, both GPS-Wireless Router or GPS- ...

... source parts and electric vacuum componentsfor producing heating elements and refractors in high temperature furnacesfor producing W-boats, and heating units ...

... source parts and electric vacuum componentsfor producing heating elements and refractors in high temperature furnacesfor producing W-boats, and heating units ...

... ratio:1/5.54),optic coated:FMCseries 90500 OTA,superior refractors with handcraft,broadband multi-coating each surface,eliminating false color ...

2" inch crayford focuser,used for reflectors and refractors 2" inch crayford focuser,it is used on reflectors with bottom plate, and is used on refractors without bottom plate,with 1.25" inch adapter.

... parts and electric vacuum components5).for producing heating elements and refractors in high temperature furnaces 99.96% w1 tungsten sheet