Collimating knobs for catadioptrics

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Accessories / Visual and Everything Else / Collimating Tools / Collimating knobs / Collimating knobs for catadioptrics
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Collimating knobs for catadioptrics
[1] 2  3  Next 10 matches Skip ahead to the last 10 matches
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3 collimating knobs for the secondary mirror of the Astro-Tech 6' and 8' Ritchey-Chrétien astrographs
 
Bob's Knobs - 3 collimating knobs for the secondary mirror of the Astro-Tech 6" and 8" Ritchey-Chrétien astrographs 
Our Product #:  BKAT68

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit the Astro-Tech 6” and 8” Ritchey-Chrétien astrographs only . . .

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$25.95



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3 collimating knobs for Celestron 11' SCT with flat secondary housing
 
Bob's Knobs - 3 collimating knobs for Celestron 11" SCT with flat secondary housing 
Our Product #:  BKC11F

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit most aluminum optical tube versions of the Celestron C11 Schmidt-Cassegrain (those with a flat secondary housing) . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for Celestron CPC1100 11' SCT
 
Bob's Knobs - 3 collimating knobs for Celestron CPC1100 11" SCT 
Our Product #:  BKC11M

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit the Celestron CPC1100 Schmidt-Cassegrain only . . .

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$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 Celestron 14' SCTs with Allen-head or slotted head collimation screws
 
Bob's Knobs - 3 collimating knobs for all Celestron 14" SCTs with Allen-head or slotted head collimation screws 
Our Product #:  BKC14A

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Allen or slotted-head collimation screws (including those with a partially raised “Trifid” housing that rotates to cover and uncover the collimation screws) . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for all Celestron 14' SCTs with Phillips-head collimation screws
 
Bob's Knobs - 3 collimating knobs for all Celestron 14" SCTs with Phillips-head collimation screws 
Our Product #:  BKC14P

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Phillips-head collimation screws . . .

[ More details . . . ] 
$16.95



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3 collimating knobs for all Celestron 5' SCT
 
Bob's Knobs - 3 collimating knobs for all Celestron 5" SCT 
Our Product #:  BKC5

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit all versions of the Celestron C5 Schmidt-Cassegrain (C5, NexStar 5, etc.) with black Allen, silver Allen, or silver Phillips head collimation screws . . .

[ More details . . . ] 
$16.95



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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 all Celestron 6' SCT
 
Bob's Knobs - 3 collimating knobs for all Celestron 6" SCT 
Our Product #:  BKC6

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit all versions of the Celestron C6 Schmidt-Cassegrain . . .

[ More details . . . ] 
$20.95



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3 collimating knobs for all post-1980 Celestron 8' SCTs with standard silver collimating screws
 
Bob's Knobs - 3 collimating knobs for all post-1980 Celestron 8" SCTs with standard silver collimating screws 
Our Product #:  BKC8
Bob's Knobs #: C8std

In Stock: Usually ships within one business day.
These no-tool collimation knobs fit most post-1980 versions of the Celestron C8, except those that use black Phillips-head collimating screws . . .

[ More details . . . ] 
$16.95



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