Gift-Cards
Bob’s Knobs
the bob's knob are renowned in the world of astronomy. They are the best!
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Original price $27.86 - Original price $27.86Original price$27.86$27.86 - $27.86Current price $27.86Bob's Knobs for Common Newtonian Secondary
Bob's Knobs for Common Newtonian Secondary Fits: Celestron C8-N/NGT, C10-N/NGT, Orion Astrograph, Astroview, SkyQuest XX and XT, Skyview, SkyWatche...
View full detailsOriginal price $27.86 - Original price $27.86Original price$27.86$27.86 - $27.86Current price $27.86 -
Original price $34.51 - Original price $34.51Original price$34.51$34.51 - $34.51Current price $34.51Bob's Knobs for SkyWatcher & Celestron Newtonian Primary (SWpri)
Bob's Knobs for SkyWatcher & Celestron Newtonian Primary Fits: SkyWatcher Newtonian telescopes with factory collimation screws.Primary collima...
View full detailsOriginal price $34.51 - Original price $34.51Original price$34.51$34.51 - $34.51Current price $34.51 -
Original price $30.52 - Original price $30.52Original price$30.52$30.52 - $30.52Current price $30.52Bob's Knobs for Celestron 9.25" Fastar Housing (C9.25fst)
Bob's Knobs for Celestron 9.25" Fastar Housing (ALSO EdgeHD) Fits: Celestron 9.25” (23.5 cm) f/10 SCT versions with "Trifid" Fastar secondary housi...
View full detailsOriginal price $30.52 - Original price $30.52Original price$30.52$30.52 - $30.52Current price $30.52 -
Original price $27.86 - Original price $34.51Original price$27.86 - $34.51$27.86 - $34.51Current price $27.86Bob's Knobs for Celestron 8" With HYPERSTAR
Bob's Knobs for Celestron 8" With HYPERSTAR Fits: Celestron 8” (20 cm) f/10 SCT with metric collimation screws and the conversion kit for the Hyper...
View full detailsOriginal price $27.86 - Original price $34.51Original price$27.86 - $34.51$27.86 - $34.51Current price $27.86 -
Original price $27.86 - Original price $34.51Original price$27.86 - $34.51$27.86 - $34.51Current price $27.86Bob's Knobs for Celestron 8" EdgeHD ONLY - Black Oxide (C8edgBO)
Bob's Knobs for Celestron 8" EdgeHD ONLY - Black Oxide Fits: Celestron 8” (20 cm) f/10 SCT with Fastar secondary and EdgeHD optics.Knobs: Black oxi...
View full detailsOriginal price $27.86 - Original price $34.51Original price$27.86 - $34.51$27.86 - $34.51Current price $27.86 -
Original price $26.53 - Original price $26.53Original price$26.53$26.53 - $26.53Current price $26.53Bob's Knobs for Celestron 11" Fastar Standard Thread - Not EdgeHD (C11stdfst)
Bob's Knobs for Celestron 11" Fastar Standard Thread (NOT EdgeHD) Fits: Celestron 11” (28 cm) f/10 SCT versions (metal or carbon fiber tube) with ...
View full detailsOriginal price $26.53 - Original price $26.53Original price$26.53$26.53 - $26.53Current price $26.53 -
Original price $30.52 - Original price $30.52Original price$30.52$30.52 - $30.52Current price $30.52Bob's Knobs for Celestron 11" Fastar Metric Thread - EdgeHD (C11metfst)
Bob's Knobs for Celestron 11" Fastar Metric Thread (ALSO EdgeHD) Fits: Celestron 11” (28 cm) f/10 SCT versions (metal or carbon fiber tube) with me...
View full detailsOriginal price $30.52 - Original price $30.52Original price$30.52$30.52 - $30.52Current price $30.52
