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JMI - Motofocus for Takahashi refractors using a 4" focuser, without microfocus, with hand control

Motofocus for Takahashi refractors using a 4' focuser, without microfocus, with hand control

$159.95
List Price: $169.00




Meade - 6.7mm Series 5000 1.25" Ultra Wide Angle

6.7mm Series 5000 1.25' Ultra Wide Angle

$129.00
Browse Products from $10 - $50 / Bob's Knobs Collimating Tools

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3 collimating knobs for Meade 14' LX200
 
Bob's Knobs - 3 collimating knobs for Meade 14" LX200 
Our Product #:  BKM14

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit all Meade 14” LX200 Schmidt-Cassegrain telescopes with exposed collimation screws . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for all Meade 8' f/10 with <I>six </i>screws in its secondary mirror holder
 
Bob's Knobs - 3 collimating knobs for all Meade 8" f/10 with six screws in its secondary mirror holder 
Our Product #:  BKM810S
Bob's Knobs #: BKM8f10s

This product is available used for $12.00 List Price: $16.00. Click here.

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit all Meade 8” f/10 Schmidt-Cassegrain telescopes with six collimating screws in the secondary housing . . .

[ More details . . . ] 
$16.95



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3 replacement springs for Meade 8'/10'/12' Lightbridge Dobsonian primary mirrors
 
Bob's Knobs - 3 replacement springs for Meade 8"/10"/12" Lightbridge Dobsonian primary mirrors 
Our Product #:  BKLBSPR

In Stock: Usually ships within one business day.
These stainless steel LightBridge primary mirror support springs from Bob’s Knobs are stronger than the factory-supplied springs to reduce mirror sag over time . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for all Celestron 8' SCTs with standard collimating screws
 
Bob's Knobs - 3 collimating knobs for all Celestron 8" SCTs with standard collimating screws 
Our Product #:  BKC8
Bob's Knobs #: C8std

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit most versions of the Celestron C8, except those that use black Phillips-head collimating screws . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for all Celestron 8' SCTs with EdgeHD optics
 
Bob's Knobs - 3 collimating knobs for all Celestron 8" SCTs with EdgeHD optics 
Our Product #:  BKC8EDG
Bob's Knobs #: C8edg

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit the EdgeHD version of the Celestron C8 only . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for Celestron 9.25' SCTs with a 'Trifid' Fastar secondary mirror housing, including the EdgeHD version
 
Bob's Knobs - 3 collimating knobs for Celestron 9.25" SCTs with a "Trifid" Fastar secondary mirror housing, including the EdgeHD version 
Our Product #:  BKC9T
Bob's Knobs #: C9.25fst

In Stock: Usually ships within one business day.
These no-tool collimation screws from Bob's Knobs fit all versions of the Celestron C9¼ Schmidt-Cassegrain that has a "Trifid" Fastar secondary mirror, including the EdgeHD version . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for Celestron 11' SCT with Trifid-type secondary housing with three raised sections
 
Bob's Knobs - 3 collimating knobs for Celestron 11" SCT with Trifid-type secondary housing with three raised sections 
Our Product #:  BKC11T

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit late model aluminum optical tube and most carbon fiber optical tube versions of the Celestron C11 Schmidt-Cassegrain (those with a partially raised “Trifid” housing that rotates to cover and uncover the collimation screws) . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for all Meade Lightbridge Dobsonian secondary (diagonal) mirrors
 
Bob's Knobs - 3 collimating knobs for all Meade Lightbridge Dobsonian secondary (diagonal) mirrors 
Our Product #:  BKLBS

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit the secondary (diagonal) mirror of Meade 8” to 16" LightBridge Dobsonian reflector telescopes . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for all Celestron 5' SCTs with black Phillips-head collimating screws
 
Bob's Knobs - 3 collimating knobs for all Celestron 5" SCTs with black Phillips-head collimating screws 
Our Product #:  BKC5M

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit all 2006 and later versions of the Celestron C5 that use black Phillips-head collimating screws . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for metric Celestron 9.25' CPC 925 SCTs
 
Bob's Knobs - 3 collimating knobs for metric Celestron 9.25" CPC 925 SCTs 
Our Product #:  BKC9M

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit the metric thread versions of the Celestron CPC 925 9¼" Schmidt-Cassegrain . . .

[ More details . . . ] 
$20.95



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