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BOB'S KNOBS FOR CELESTRON TELESCOPES (includes Skywatcher SCT)

CASSEGRAIN STYLE NEWTONIAN STYLE

 

5 inch (13 cm) f/10 SCT with standard collimation screws

5 inch (13 cm) f/10 SCT with metric collimation screws

5 inch (13 cm) f/6 SCT

6 inch (15 cm) f/10 SCT

8 inch (20 cm) f/10 pre-1980 orange-tube SCT

8 inch (20 cm) f/10 post-1980 SCT with standard collimation screws

8 inch (20 cm) f/10 SCT with metric collimation screws

8 inch (20 cm) f/10 SCT Fastar with EdgeHD optics

8 inch (20 cm) f/10 SCT with Hyperstar secondary

9.25 inch (23.5 cm) f/10 SCT with standard collimation screws

9.25 inch (23.5 cm) f/10 SCT with metric collimation screws

9.25 inch (23.5 cm) f/10 EdgeHD SCT with "Trifid" Fastar secondary housing

11 inch (28 cm) f/10 SCT with flat secondary housing and standard collimation screws

11 inch (28 cm) f/10 SCT with flat or "Trifid" Fastar secondary housing and metric collimation screws

11 inch (28 cm) f/10 SCT with "Trifid" Fastar secondary housing and standard collimation screws

14 inch (36 cm) f/11 SCT with factory headless set-style (Allen or slotted) collimation screws

14 inch (36 cm) f/11 SCT with factory Phillips collimation screws 

 

 

12 inch (30 cm) f/5 Starhopper

 

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Last modified: 04/29/10.