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Polar Scopes

Polar alignment determines how long you can expose before field rotation and drift show, and it is the step that most often gets rushed. A polar scope with an illuminated reticle turns a guessing exercise into a two-minute procedure with a repeatable result. David Astro carries polar scopes in Canada, stocked in Canada and shipped worldwide.

Fitment is mount-specific and reticle patterns differ. Tell us your mount and we will confirm the correct scope and explain how to use its pattern.

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$71.95 USD - $71.95 USD
$71.95 USD
$71.95 USD - $71.95 USD
$71.95 USD

Celestron CG-4 Polar Axis Finder

Designed for Celestron CG-4 and Omni equatorial mounts Simplifies polar alignment for improved tracking accuracy Etched reticle with r...

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$71.95 USD - $71.95 USD
$71.95 USD
$71.95 USD - $71.95 USD
$71.95 USD
$61.95 USD - $61.95 USD
$61.95 USD
$61.95 USD - $61.95 USD
$61.95 USD

Celestron CG-5/AVX/CGEM Polar Finderscope

Enables precise polar alignment for CG-5, AVX, and CGEM mounts Etched reticle with Northern and Southern Hemisphere star patterns Features Big Dip...

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$61.95 USD - $61.95 USD
$61.95 USD
$61.95 USD - $61.95 USD
$61.95 USD
$194.95 USD - $194.95 USD
$194.95 USD
$194.95 USD - $194.95 USD
$194.95 USD

Celestron Polar Axis Finderscope for CGX & CGX-L

Achieve precise polar alignment for your CGX or CGX-L mount 6x20 multi-coated optics make finding Polaris easy Constellation-based reticle require...

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$194.95 USD - $194.95 USD
$194.95 USD
$194.95 USD - $194.95 USD
$194.95 USD
$99.99 USD - $99.99 USD
$99.99 USD
$99.99 USD - $99.99 USD
$99.99 USD

Explore Scientific iEXOS-100 Polar Finder and Adapter

Enables Precise Polar Alignment for Astrophotography Designed Specifically for the Explore Scientific iEXOS-100 Mount Illuminated Reticle for Easy...

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$99.99 USD - $99.99 USD
$99.99 USD
$99.99 USD - $99.99 USD
$99.99 USD
$79.99 USD - $79.99 USD
$79.99 USD
$79.99 USD - $79.99 USD
$79.99 USD

Explore Scientific Illuminated Polar Finder

Enables Precise Polar Alignment for Astrophotography Features an Illuminated Reticle with Polar Assist Markings Essential Upgrade for Eliminating ...

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$79.99 USD - $79.99 USD
$79.99 USD
$79.99 USD - $79.99 USD
$79.99 USD
Explore Scientific Replacement Illuminator for Polar Finder EXOS2/EXOS2GT
$49.99 USD - $49.99 USD
$49.99 USD
$49.99 USD - $49.99 USD
$49.99 USD

Explore Scientific Replacement Illuminator for Polar Finder EXOS2/EXOS2GT

Deep Red LED Illumination Variable Brightness Control Fits Explore Scientific 50mm Reticle Finder Scopes Compatible with EXOS2 & EXOS2GT Mount...

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$49.99 USD - $49.99 USD
$49.99 USD
$49.99 USD - $49.99 USD
$49.99 USD
$105.00 USD - $105.00 USD
$105.00 USD
$105.00 USD - $105.00 USD
$105.00 USD

iOptron AccuAlign Illuminated Dark-Field Polar Scope for SkyGuider Pro (3330-SGP)

Precision polar alignment scope for the iOptron SkyGuider Pro Fine-engraved reticle for Northern (Polaris) and Southern (Sigma Octantis) hemispher...

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$105.00 USD - $105.00 USD
$105.00 USD
$105.00 USD - $105.00 USD
$105.00 USD
iOptron AccuAlign TM Polar Scope for CEM/SkyGuider/SkyTracker Series
$85.00 USD - $85.00 USD
$85.00 USD
$85.00 USD - $85.00 USD
$85.00 USD

iOptron AccuAlign TM Polar Scope for CEM/SkyGuider/SkyTracker Series

Enables Fast and Accurate Polar Alignment Essential for Long-Exposure Astrophotography Reduces Field Rotation for Sharp Stars Designed for iOptron...

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$85.00 USD - $85.00 USD
$85.00 USD
$85.00 USD - $85.00 USD
$85.00 USD
iOptron AccuAlign TM Polar Scope for HST MiniTracker
$99.00 USD - $99.00 USD
$99.00 USD
$99.00 USD - $99.00 USD
$99.00 USD

iOptron AccuAlign TM Polar Scope for HST MiniTracker

Enables Precise Polar Alignment Designed Specifically for the HST MiniTracker Essential for Long-Exposure Astrophotography Description FAQ Spec...

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$99.00 USD - $99.00 USD
$99.00 USD
$99.00 USD - $99.00 USD
$99.00 USD
iOptron Illuminating LED for CEM26/GEM28 AccuAlign Polar Scope
$35.00 USD - $35.00 USD
$35.00 USD
$35.00 USD - $35.00 USD
$35.00 USD

iOptron Illuminating LED for CEM26/GEM28 AccuAlign Polar Scope

Official accessory for iOptron CEM26 and GEM28 mounts Illuminates the AccuAlign polar scope reticle Enables fast and accurate polar alignment in t...

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$35.00 USD - $35.00 USD
$35.00 USD
$35.00 USD - $35.00 USD
$35.00 USD
$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD

iOptron iPolar Electronic Polarscope

Achieves polar alignment with 30 arcsecond resolution Wide 13° field of view for robust plate-solving Simple Mini USB 2.0 interface for power and ...

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$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD
iOptron iPolar Electronic Polarscope for HEM15/HEM27/HEM44 Mounts
$223.00 USD - $223.00 USD
$223.00 USD
$223.00 USD - $223.00 USD
$223.00 USD

iOptron iPolar Electronic Polarscope for HEM15/HEM27/HEM44 Mounts

Achieves polar alignment precision of approximately 30 arcseconds Designed for internal installation on iOptron HEM15, HEM27, and HEM44 mounts Sim...

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$223.00 USD - $223.00 USD
$223.00 USD
$223.00 USD - $223.00 USD
$223.00 USD
iOptron iPolar Internal Electronic Polar Scope for CEM120 Mounts
$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD

iOptron iPolar Internal Electronic Polar Scope for CEM120 Mounts

Achieves polar alignment with 30 arcsecond resolution 13° wide field of view digital camera Designed for internal installation in iOptron CEM120 m...

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$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD
iOptron iPolar Internal Electronic Polar Scope for CEM26/GEM28/SkyGuider Pro Mounts
$218.00 USD - $218.00 USD
$218.00 USD
$218.00 USD - $218.00 USD
$218.00 USD

iOptron iPolar Internal Electronic Polar Scope for CEM26/GEM28/SkyGuider Pro Mounts

Internal design for CEM26, GEM28, and SkyGuider Pro mounts Achieves polar alignment with 30 arcsecond resolution 13° wide field of view camera Sof...

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$218.00 USD - $218.00 USD
$218.00 USD
$218.00 USD - $218.00 USD
$218.00 USD
iOptron iPolar Internal Electronic Polar Scope for CEM40 Mounts
$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD

iOptron iPolar Internal Electronic Polar Scope for CEM40 Mounts

Achieves polar alignment to a resolution of 30 arcseconds Wide 13° field of view for rapid plate solving Installs internally on the iOptron CEM40 ...

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$238.00 USD - $238.00 USD
$238.00 USD
$238.00 USD - $238.00 USD
$238.00 USD
iOptron iPolar™ Electronics Polar Scope
$218.00 USD - $218.00 USD
$218.00 USD
$218.00 USD - $218.00 USD
$218.00 USD

iOptron iPolar™ Electronics Polar Scope

Achieves polar alignment precision of approximately 30 arcseconds Wide ~13 degree field of view for easy pole acquisition High-resolution sensor p...

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$218.00 USD - $218.00 USD
$218.00 USD
$218.00 USD - $218.00 USD
$218.00 USD
iOptron Polar Scope for SmartEQ
$78.00 USD - $78.00 USD
$78.00 USD
$78.00 USD - $78.00 USD
$78.00 USD

iOptron Polar Scope for SmartEQ

Enables Precise Polar Alignment Designed Specifically for the iOptron SmartEQ Mount Essential for Long-Exposure Astrophotography Improves GoTo Poi...

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$78.00 USD - $78.00 USD
$78.00 USD
$78.00 USD - $78.00 USD
$78.00 USD
iOptron Polar Scope Kit for CEM26
$129.00 USD - $129.00 USD
$129.00 USD
$129.00 USD - $129.00 USD
$129.00 USD

iOptron Polar Scope Kit for CEM26

Designed specifically for the iOptron CEM26 mount Provides a direct, through-the-axis optical view of the celestial pole Enables fast and intuitiv...

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$129.00 USD - $129.00 USD
$129.00 USD
$129.00 USD - $129.00 USD
$129.00 USD
iOptron Polar Scope Kit for GEM28
$129.00 USD - $129.00 USD
$129.00 USD
$129.00 USD - $129.00 USD
$129.00 USD

iOptron Polar Scope Kit for GEM28

Optical Polar Alignment Accessory for iOptron GEM28 Mounts Enables Fast, Computer-Free Setup Illuminated Reticle for Easy Sighting of Polaris Idea...

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$129.00 USD - $129.00 USD
$129.00 USD
$129.00 USD - $129.00 USD
$129.00 USD
$35.00 USD - $35.00 USD
$35.00 USD
$35.00 USD - $35.00 USD
$35.00 USD

iOptron Polar Scope Mounting Bracket for PST Micro Tracker

Enables Precise Polar Alignment Designed for the iOptron PST Micro Tracker (#3680) Compatible with AccuAlign (#3330-HST) Polar Scopes Compatible w...

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$35.00 USD - $35.00 USD
$35.00 USD
$35.00 USD - $35.00 USD
$35.00 USD
$31.00 USD - $31.00 USD
$31.00 USD
$31.00 USD - $31.00 USD
$31.00 USD

Pegasus NYX-101 Polemaster Detachable Adapter

Enables use of QHY Polemaster on Pegasus Astro NYX-101 and NYX-88 mounts Streamlines polar alignment for faster, more accurate setup Detachable de...

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$31.00 USD - $31.00 USD
$31.00 USD
$31.00 USD - $31.00 USD
$31.00 USD
QHYCCD Adapter for PoleMaster - Paramount MX (Not MYT/MX+)
$45.00 USD - $45.00 USD
$45.00 USD
$45.00 USD - $45.00 USD
$45.00 USD

QHYCCD Adapter for PoleMaster - Paramount MX (Not MYT/MX+)

Securely mounts the QHY PoleMaster to your mount Designed specifically for the Software Bisque Paramount MX Provides a rigid, non-flexing connecti...

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$45.00 USD - $45.00 USD
$45.00 USD
$45.00 USD - $45.00 USD
$45.00 USD
$269.00 USD - $269.00 USD
$269.00 USD
$269.00 USD - $269.00 USD
$269.00 USD

QHYCCD PoleMaster

Achieves polar alignment accuracy of up to 30 arc seconds Wide 11° x 8° field of view makes finding Polaris simple High-sensitivity sensor detects...

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$269.00 USD - $269.00 USD
$269.00 USD
$269.00 USD - $269.00 USD
$269.00 USD
$30.00 USD - $45.00 USD
$30.00 USD - $45.00 USD
$30.00 USD - $45.00 USD
$30.00 USD

QHYCCD PoleMaster Adapter

Enables secure mounting of the QHYCCD PoleMaster to your equatorial mount Custom-designed for specific mount models from Celestron, Sky-Watcher, i...

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$30.00 USD - $45.00 USD
$30.00 USD - $45.00 USD
$30.00 USD - $45.00 USD
$30.00 USD

Polar Alignment Methods and Accuracy

Polaris is not at the celestial pole. Every polar scope reticle is a way of placing it correctly relative to the pole for your date and time.

  • Reticle patterns: Circles, clock faces or date scales that indicate where Polaris should sit. Patterns differ by manufacturer and need the correct procedure for that design.
  • Illuminated reticles: Adjustable red illumination, which must be dim enough not to overwhelm Polaris itself — a common frustration with fixed-brightness units.
  • Achievable accuracy: A well-used polar scope reaches a few arcminutes, which is entirely adequate for guided imaging at most focal lengths.
  • Electronic alternatives: Camera-based polar alignment reaches better accuracy in less time and works when Polaris is obscured by a building or tree.
  • Drift alignment: The most accurate method, requiring no view of the pole at all, at the cost of considerably more time.
  • Mount-specific fitment: Polar scopes are matched to a mount's polar axis bore, and the reticle must match the mount's documented procedure.

Why Choose David Astro for Polar Scopes

The right alignment method depends on your site more than on your equipment.

  • Site-based advice: If Polaris is blocked from your usual spot, we will point you to an electronic solution rather than sell a polar scope you cannot use.
  • Procedure explained: Reticle patterns are not self-explanatory, and we will walk through the correct procedure for your specific mount and reticle.
  • Accuracy expectations set: We tell you what accuracy is actually needed for your focal length, so you do not spend an hour chasing precision that guiding would handle.
  • Authorized dealer: Genuine products with manufacturer warranty, in Canadian stock.
  • Ships from Canada: No duties or brokerage fees for Canadian orders.

Polar Scopes in Canada — Frequently Asked Questions

How accurate does polar alignment need to be?
For guided imaging, a few arcminutes is sufficient — guiding handles the residual drift. For unguided or very long focal length work, aim for under one arcminute.
What if I cannot see Polaris?
Use an electronic polar alignment camera, which plate-solves the region around the pole and works even when Polaris itself is obscured, or use drift alignment, which needs no view of the pole at all.
Why does my reticle brightness matter?
Because Polaris is only second magnitude. A reticle that is too bright washes it out entirely, which is why adjustable illumination is worth insisting on.
Will a polar scope from another mount fit?
Generally not. They are sized to a specific polar axis bore and their reticles match a specific procedure. Tell us your mount and we will confirm the correct unit.

Aligning faster and better?

Tell us your mount and your view of the pole and we will recommend a method. Canadian stock, worldwide shipping.