Name: 3D Astro Bahtinov Focus Mask - 102mm ID # BM-S-102
Brand: 3D Astro Accessories
SKU: PAPI-3A-BM-S-102
Price: 14.75 USD
Availability: InStock

Bob's Knobs for Celestron C8 f/10 Secondary with Metric Collimation Screw Threads (not for E...

$22.95

In Stock
HoTech HyperStar Laser Collimator - 9.25" and 11"

$560.00

In Stock
GSO Focuser Collimation Ring / Tilt Adapter - For 10" - 16" CC / RC Telescopes with M117x1 F...

$99.95

In Stock
3D Astro Bahtinov Focus Mask - 44mm ID

$7.50

In Stock
Bob's Knobs for SkyWatcher 5", 6", 8" & 10" Newtonian Primary

$27.95

In Stock
Bob's Knobs for Celestron C9.25 f/10 Secondary with Trifid Fastar Housing

$23.95

In Stock
3D Astro Bahtinov Focus Mask - 100mm ID

$14.50

In Stock
HoTech 1.25" SCA Laser Collimator - Crosshair

$135.00

In Stock
Bob's Knobs for Celestron C8 f/10 Secondary with Hyperstar and Metric Collimation Screw Thre...

$22.95

In Stock
Howie Glatter Holographic Attachment for Laser Collimator - Square Grid Pattern (New Version)

$80.00

Out of Stock

Out of Stock
Bob's Knobs for GSO made 8" Classical Cassegrain Secondary (Astro-Tech, TPO, Apertura, Orion)

$27.95

In Stock
BuckeyeStargazer TriBahtinov Isolation Mask - For Celestron Telescopes

As low as $23.00

In Stock
Farpoint Bahtinov Focus Mask for Telescopes with Dew Shield or Front End Diameter from 7.5" ...

$32.50

Out of Stock

Out of Stock
Bob's Knobs for GSO made 8" Ritchey-Chretien Secondary (Astro-Tech, TPO, Apertura, Orion, iO...

$27.95

In Stock
Bob's Knobs for Meade 8" f/10 with 3-Screw Secondary

$18.95

In Stock
HoTech HyperStar Laser Collimator - 8"

$545.00

Out of Stock

Out of Stock
William Optics Bahtinov Focusing Mask Cap for Z61 Telescopes Only - Red

$108.00

Out of Stock

Out of Stock
Bob's Knobs for GSO made 12" Ritchey-Chretien Secondary (Astro-Tech, TPO, Apertura, Orion, i...

$27.95

In Stock
Farpoint Bahtinov Focus Mask for Celestron 14" SCT with Fastar or Hyperstar

$57.00

Out of Stock

Out of Stock
HoTech Advanced CT Laser Collimator for 2" Focuser

$499.00

Out of Stock

Out of Stock
HoTech HyperStar Upgrade Kit - 8"

$120.00

In Stock
Howie Glatter 650nm Standard Brightness Red Laser Collimator - 2" (New Version)

$280.00

Out of Stock

Out of Stock
$William Optics Diffraction Spikes Bahtinov Focusing Mask - For Telescope Tube/Dewshield Diameter from 243-308mm (9.57$

William Optics Diffraction Spikes Bahtinov Focusing Mask - For Telescope Tube/Dewshield Diam...

$108.00

In Stock
3D Astro Bahtinov Focus Mask - 102mm ID

$14.75

In Stock

Featured Brands

Collimation Tools & Laser Collimators

CONTACT

ACCOUNT

SUPPORT

RESOURCES

WHO WE ARE