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Telescope Accessories
Here you will find a growing selection of accessories to outfit your telescope. From accessory kits to visual backs, this is the place to find what you need.
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Original price $44.95 - Original price $44.95Original price$44.95$44.95 - $44.95Current price $44.95| /
Astro-Tech 1.25"/2" Laser Collimator
Astro-TechIn Stock5.0 / 5.0
8 Reviews
This economical Astro-Tech Laser Collimator permits fast and consistent collimation of a Newtonian reflector's optics, including Dobsonians and as...
View full detailsOriginal price $44.95 - Original price $44.95Original price$44.95$44.95 - $44.95Current price $44.95| / -
Original price $110.00 - Original price $110.00Original price$110.00$110.00 - $110.00Current price $110.00| /
Astrozap Artificial Star
AstrozapMore on the way5.0 / 5.0
1 Review
AstroZap Artificial Star – Collimation and Optical Testing Aid Fine-tuning your optics doesn’t have to wait for clear skies. With the AstroZap Arti...
View full detailsOriginal price $110.00 - Original price $110.00Original price$110.00$110.00 - $110.00Current price $110.00| / -
Original price $34.95 - Original price $34.95Original price$34.95$34.95 - $34.95Current price $34.95| /
Astro-Tech Newtonian Reflector Collimating Tool
Astro-TechMore on the way4.3 / 5.0
3 Reviews
The Astro-Tech ATCOLL Newtonian reflector collimating tool is a combination 1.25" sight tube and Cheshire eyepiece. It is precisely machined of alu...
View full detailsOriginal price $34.95 - Original price $34.95Original price$34.95$34.95 - $34.95Current price $34.95| / -
Original price $34.95 - Original price $34.95Original price$34.95$34.95 - $34.95Current price $34.95| /
Celestron Newtonian Reflector Collimating Tool 94182
CelestronMore on the way4.2 / 5.0
6 Reviews
The Celestron Newtonian reflector collimating tool is a combination of a sight tube and a Cheshire tool in a single unit. It has the precisely cent...
View full detailsOriginal price $34.95 - Original price $34.95Original price$34.95$34.95 - $34.95Current price $34.95| / -
Original price $354.00 - Original price $354.00Original price$354.00$354.00 - $354.00Current price $354.00| /
Takahashi Collimating scope for Ritchey-Chrétiens, Dall-Kirkhams, and refractors TKA00443
TakahashiMore on the wayThis Takahashi 6 x 18mm collimating scope is designed to help you align the optics of Dall-Kirkham, Ritchey-Chrétien, and refractor telescopes.The ...
View full detailsOriginal price $354.00 - Original price $354.00Original price$354.00$354.00 - $354.00Current price $354.00| / -
Original price $74.00 - Original price $74.00Original price$74.00$74.00 - $74.00Current price $74.00| /
Takahashi Collimating eyepiece TKA00441
TakahashiMore on the wayThe Takahashi TCE0020 is a collimating eyepiece used to collimate Newtonian and Cassegrain telescopes.The Takahashi TCE0020 is a short body Cheshir...
View full detailsOriginal price $74.00 - Original price $74.00Original price$74.00$74.00 - $74.00Current price $74.00| / -
Original price $173.00 - Original price $173.00Original price$173.00$173.00 - $173.00Current price $173.00| /
Takahashi 2" Adapter To Use Takahashi Collimating Scope With Non-Takahashi Telescopes
TakahashiMore on the wayThis Takahashi 2" adapter is used to connect the Takahashi collimating scope to the 2" focuser of takahashi reflectors and non-Takahashi telescopes...
View full detailsOriginal price $173.00 - Original price $173.00Original price$173.00$173.00 - $173.00Current price $173.00| / -
Original price $92.00 - Original price $92.00Original price$92.00$92.00 - $92.00Current price $92.00| /
Takahashi Collimating tube TKA00442
TakahashiMore on the wayThe Takahashi TCE0030 collimating tube provides crosshairs to convert the Takahashi TCE0020 collimating eyepiece into a sighting tube for collimati...
View full detailsOriginal price $92.00 - Original price $92.00Original price$92.00$92.00 - $92.00Current price $92.00| / -
Original price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| /
Bob’s Knob 3 Collimating Knobs | Meade 16" LX200 with Six Screw Secondary
Bob's KnobsMore on the wayThese knobs make it easy to collimate your Meade 16" LX200 Schmidt-Cassegrain or current Meade 16" LX200R Advanced Ritchey-Chrétien telescope for o...
View full detailsOriginal price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| / -
Original price $20.95 - Original price $20.95Original price$20.95$20.95 - $20.95Current price $20.95| /
Bob’s Knobs 3 Collimating Knobs for Metric Celestron 9.25" CPC 925 SCTs
Bob's KnobsIn StockThese knobs make it easy to collimate your Celestron C9¼ CPC 925 for optimum image quality. You don't need any tools, so you never have to worry ab...
View full detailsOriginal price $20.95 - Original price $20.95Original price$20.95$20.95 - $20.95Current price $20.95| / -
Original price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /
Bob’s Knobs 6 Collimating and Locking Knobs for Meade 12" Lightbridge Dobsonian Primary Mirror
Bob's KnobsSold OutThese knobs make it easy to collimate the primary mirror of your Meade 12" LightBridge Dobsonian reflector for optimum image quality. You don't nee...
View full detailsOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /Sold out -
Original price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Bob’s Knobs 3 Collimating Knobs for Celestron 11" SCT with Flat Secondary Housing
Bob's KnobsIn StockThese knobs make it easy to collimate your Celestron C11 for optimum image quality. You don't need any tools, so you never have to worry about losi...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| / -
Original price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Bob’s Knobs 3 Collimating Knobs for Celestron 11" SCT with Trifid Secondary (Not Edge HD)
Bob's KnobsMore on the way4.0 / 5.0
1 Review
These no-tool collimation knobs fit late model aluminum optical tube and most carbon These knobs make it easy to collimate your non-Edge HD Celestr...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| / -
Original price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Bob’s Knobs 3 Collimating Knobs for Celestron C14 with Phillips-Head Collimation Screws
Bob's KnobsSold OutThese knobs make it easy to collimate your Celestron C14 for optimum image quality. You don't need any tools, so you never have to worry about losi...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /Sold out -
Original price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Bob’s Knobs 3 Collimating Knobs for Celestron C14 w/Allen or Slotted Collimation Screws
Bob's KnobsSold OutThese knobs make it easy to collimate your Celestron C14 for optimum image quality. You don't need any tools, so you never have to worry about losi...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /Sold out -
Original price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| /
Bob's Knobs 3 Collimating Knobs For Astro-Tech 12" Rc Astrograph Secondary Mirror
Bob's KnobsIn StockThese Bob's Knobs fit the secondary mirror housing of the 12" Astro-Tech Ritchey-Chrétiens only. Precise collimation is essential to get the best c...
View full detailsOriginal price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| / -
Original price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| /
Bob's Knobs 3 Collimating Knobs For Astro-Tech 10" Rc Astrograph Secondary Mirror
Bob's KnobsIn Stock5.0 / 5.0
1 Review
These Bob's Knobs fit the secondary mirror housing of the 10" Astro-Tech Ritchey-Chrétiens only. Precise collimation is essential to get the best c...
View full detailsOriginal price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| / -
Original price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| /
Bob’s Knobs 3 Collimating Knobs for Meade 16" LX200 With Three Collimating Screws
Bob's KnobsIn StockThese knobs make it easy to collimate your older three-screw secondary Meade 16" LX200 Schmidt-Cassegrain for optimum image quality. Current 16" Me...
View full detailsOriginal price $25.95 - Original price $25.95Original price$25.95$25.95 - $25.95Current price $25.95| /