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Bob's Knobs C9.25metSS C9.25 f/10 (non-Fastar) with Metric Screws (CPC 925) (Stainless Steel)
Bob's Knobs C9.25metSS C9.25 f/10 (non-Fastar) with Metric Screws (CPC 925) (Stainless Steel)
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C9.25metSS C9.25 f/10 (non-Fastar) with Metric Screws (CPC 925) (Stainless Steel)
$29.95
Bob's Knobs C6SS Celestron 6" SCT f10 Knobs (Stainless Steel)
The knobs below will fit almost all versions of the Celestron 6” Schmidt-Cassegrain secondary.
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C6SS Celestron 6" SCT f10 Knobs (Stainless Steel)
$29.95
Bob's Knobs Bob's Knobs for attaching equatorial head to upper tripod section
Bob's Knobs specially designed to make working with the Losmandy mount much easier.
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Bob's Knobs for attaching equatorial head to upper tripod section
$29.95
Bob's Knobs Knobs for Newtonian 8' Primary Mirrors
Part: MLB8pri
Fits: 8” Newtonian telescopes manufactured by Guan Shen Optical (GSO), including Meade LIghtbridge, Hardin Optical, and Zhumell.
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Knobs for Newtonian 8' Primary Mirrors
$29.95
Bob's Knobs Knobs for Newtonian 10" Primary Mirrors
Part: MLB10pri
Fits: 10” Newtonian telescopes manufactured by Guan Shen Optical (GSO), including Meade LIghtbridge, Hardin Optical, and Zhumell.
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Knobs for Newtonian 10" Primary Mirrors
$29.95
Bob's Knobs Knobs for Common Newtonian 12" Primary Mirror
Part: MLB12pri
Fits: 12” Newtonian telescopes manufactured by Guan Shen Optical (GSO), including Meade LIghtbridge, Hardin Optical, and Zhumell.
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Knobs for Common Newtonian 12" Primary Mirror
$29.95
Bob's Knobs Bob's Knobs for Meade 6” f/10 6-Screw Secondary
Part: M6-6
Fits: Meade 6” (15 cm) f/10 SCT versions (ETX-LS, LS-6 SC and ACF, LT-6 SC and ACF)
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Bob's Knobs for Meade 6” f/10 6-Screw Secondary
$29.95
Bob's Knobs KNOBS FOR MEADE 16 inch (20 cm) f/10 SCT WITH 6-SCREW SECONDARY
Knobs for Meade 16” f/8 ACF and f/10 with 6-Screw Secondary
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KNOBS FOR MEADE 16 inch (20 cm) f/10 SCT WITH 6-SCREW SECONDARY
$29.95
Bob's Knobs KNOBS FOR MEADE 16 inch (41 cm) f/10 SCT WITH 3-SCREW SECONDARY
Knobs for Meade 16” f/10 with 3-Screw Secondary
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KNOBS FOR MEADE 16 inch (41 cm) f/10 SCT WITH 3-SCREW SECONDARY
$29.95
Bob's Knobs Bob's Knobs for C11 f/10 with Flat Secondary Housing (non-Fastar) and Metric Collimation Screw Threads
Part: C11metBO (black oxide steel); C11metSS (stainless steel)
Fits: Celestron 11” (28 cm) f/10 SCT versions with flat secondary housing and metric collimation screw threads (most CPC 1100).
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Bob's Knobs for C11 f/10 with Flat Secondary Housing (non-Fastar) and Metric Collimation Screw Threads
$29.00
Bob's Knobs Bob's Knobs for C8 f/10 Secondary with EdgeHD Optics
Part: C8edgBO (black oxide steel); C8edgSS (stainless steel)
Fits: Celestron 8” (20 cm) f/10 SCT with Fastar secondary and EdgeHD optics.
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Bob's Knobs for C8 f/10 Secondary with EdgeHD Optics
$29.00
Bob's Knobs Knobs for SkyWatcher Newtonian Primary with Factory Collimation Screws
Fits: SkyWatcher Newtonian telescopes with factory collimation screws.
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Knobs for SkyWatcher Newtonian Primary with Factory Collimation Screws
$25.95
Bob's Knobs C6BO Celestron 6" SCT f10 Knobs (Black Oxide)
The knobs below will fit almost all versions of the Celestron 6” Schmidt-Cassegrain secondary.
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C6BO Celestron 6" SCT f10 Knobs (Black Oxide)
$24.95
Bob's Knobs Bob's Knobs for C5 f/10 Secondary with Metric Collimation Screw Threads
These knobs will fit only 2006 and later C5 models that have black Phillips factory collimation screws
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Bob's Knobs for C5 f/10 Secondary with Metric Collimation Screw Threads
$24.95
Bob's Knobs Bob's Knobs for C8 f/10 Secondary with Metric Collimation Screw Threads (not for EdgeHD or Hyperstar)
Part: C8metBO (black oxide steel); C8metSS (stainless steel)
Fits: Most Celestron 8” (20 cm) f/10 SCT made in 2005 and later with black Phillips factory collimation screws that have metric threads. Includes SkyWatcher SCT and non-EdgeHD Fastar.
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Bob's Knobs for C8 f/10 Secondary with Metric Collimation Screw Threads (not for EdgeHD or Hyperstar)
$24.95
Bob's Knobs Bob's Knobs for C9.25 f/10 Secondary (non-Fastar) with Metric Collimation Screw Threads
Part: C9.25metBO (black oxide steel); C9.25metSS (stainless steel)
Fits: Celestron 9.25” (23.5 cm) f/10 SCT versions with metric screw threads (CPC 925). Not for C9.25 with “Trifid” Faster or EdgeHD optics (see Item C below).
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Bob's Knobs for C9.25 f/10 Secondary (non-Fastar) with Metric Collimation Screw Threads
$24.95
Bob's Knobs Bob's Knobs for C8 f/10 Secondary with Hyperstar and Metric Collimation Screw Threads
Part: C8hypBO (black oxide steel); C8hypSS (stainless steel)
Fits: Celestron 8” (20 cm) f/10 SCT with metric collimation screws and Hyperstar option
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Bob's Knobs for C8 f/10 Secondary with Hyperstar and Metric Collimation Screw Threads
$24.95
Bob's Knobs Bob's Knobs for C9.25 f/10 Secondary with Metric Collimation Screw Threads and “Trifid” Fastar Housing
Part: C9.25fst
Fits: Celestron 9.25” (23.5 cm) f/10 SCT versions with "Trifid" Fastar secondary housing
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Bob's Knobs for C9.25 f/10 Secondary with Metric Collimation Screw Threads and “Trifid” Fastar Housing
$24.95
Bob's Knobs Bob's Knobs for C8 f/10 Pre-1980 Orange-Tube Secondary
Part: C8org
Fits: Pre-1980 Celestron 8” (20 cm) f/10 SCT with orange optical tube and factory set-style collimation screws.
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Bob's Knobs for C8 f/10 Pre-1980 Orange-Tube Secondary
$24.95
Bob's Knobs Bob's Knobs for C14 f/11 Secondary with Factory Phillips Collimation Screws with Metric Threads
Part: C14metphi
Fits: Celestron 14” (36 cm) f/11 SCT versions with metric thread factory Phillips collimation screws with Fastar and with or without EdgeHD optics.
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Bob's Knobs for C14 f/11 Secondary with Factory Phillips Collimation Screws with Metric Threads
$24.95
Bob's Knobs Bob's Knobs for C14 f/11 Secondary with Factory Headless Set-Style Collimation Screws
Part: C14set
Fits: Celestron 14” (36 cm) f/11 SCT versions with factory headless set-style (Allen or slotted) collimation screws
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Bob's Knobs for C14 f/11 Secondary with Factory Headless Set-Style Collimation Screws
$24.95
Bob's Knobs Bob's Knobs for C11 f/10 with “Trifid” Fastar Secondary Housing and Metric Collimation Screw Threads
Part: C11metfst
Fits: Celestron 11” (28 cm) f/10 SCT versions (metal or carbon fiber tube) with metric thread factory collimation screws and "Trifid" rotary cover Fastar secondary housing. Factory collimation screws are black Phillips. These knobs will f
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Bob's Knobs for C11 f/10 with “Trifid” Fastar Secondary Housing and Metric Collimation Screw Threads
$24.95
Bob's Knobs CNsec35 Knobs for Newtonian Secondary Set Screw
Bob's Knobs CNsec35 Knobs for Newtonian Secondary Set Screw
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CNsec35 Knobs for Newtonian Secondary Set Screw
$20.95
Bob's Knobs Bob's Knobs for locking elevation adjustment Losmandy
Bob's Knobs specially designed to make working with the Losmandy mount much easier.
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Bob's Knobs for locking elevation adjustment Losmandy
$20.95