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| Vixen Tele-Extender R130S/R135S/R150S 3631 w/ FREE UPSVixen Tele-Extender R130S/R135S/R150S extends the focal length of some
Vixen Newtonian telescopes for
high-power viewing and prime-focus imaging ( T-Ring required).
R130S/R135S: 720mm to 1440mm (f/11)
R150S: 750mm to 1500mm (f/10)
Package Contents:- Vixen Tele-Extender R130S/R135S/R150S
Vixen Tele-Extender R130S/R135S/R150S 3631 Rating & Reviews | |