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Mount Accessories

A mount rarely arrives complete. Polar alignment needs a scope or a camera, balance needs the right counterweights and extension bars, meridian clearance often needs a pier extension, and the whole thing needs power that survives a cold night. David Astro carries mount accessories in Canada, polar scopes, counterweights, wedges, pier extensions, hand controller brackets, cable management and power distribution, stocked in Canada and shipped worldwide.

These are the parts that turn a working mount into a well-behaved one. Tell us your mount model and what is bothering you about your setup and we will point at the accessory that fixes it.

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CA$271.00 - CA$271.00
CA$271.00
CA$271.00 - CA$271.00
CA$271.00

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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CA$271.00 - CA$271.00
CA$271.00
CA$271.00 - CA$271.00
CA$271.00
CA$200.00 - CA$200.00
CA$200.00
CA$200.00 - CA$200.00
CA$200.00

Celestron SkyPortal WiFi Module

Control your Celestron computerized telescope wirelessly Connects to your mount's AUX port for power and data Dual-band 2.4 GHz and 5 GHz WiFi ope...

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CA$200.00 - CA$200.00
CA$200.00
CA$200.00 - CA$200.00
CA$200.00
CA$271.00 - CA$271.00
CA$271.00
CA$271.00 - CA$271.00
CA$271.00

Celestron SkySync GPS Accessory

Automatically provides time, date, and location data from GPS satellites Connects to your telescope's AUX port or hand control outlet Simplifies a...

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CA$271.00 - CA$271.00
CA$271.00
CA$271.00 - CA$271.00
CA$271.00
CA$666.00 - CA$666.00
CA$666.00
CA$666.00 - CA$666.00
CA$666.00

Celestron StarSense AutoAlign

Replaces manual alignment with automated plate-solving 1.2 Megapixel CMOS sensor with 3.75µm pixels Fast f/2, 20mm 2-element objective lens Includ...

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CA$666.00 - CA$666.00
CA$666.00
CA$666.00 - CA$666.00
CA$666.00
CA$916.00 - CA$916.00
CA$916.00
CA$916.00 - CA$916.00
CA$916.00

Celestron StarSense AutoAlign for Sky-Watcher Mounts

Automatically aligns your Sky-Watcher mount in minutes Replaces manual star alignment with advanced plate-solving technology Compatible with HEQ5,...

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CA$916.00 - CA$916.00
CA$916.00
CA$916.00 - CA$916.00
CA$916.00
CA$200.00 - CA$200.00
CA$200.00
CA$200.00 - CA$200.00
CA$200.00

Celestron StarSense Hand Control USB

Unlocks StarSense AutoAlign accessory functionality 40,000-object database with detailed information Direct PC connection via Mini-USB for firmwar...

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CA$200.00 - CA$200.00
CA$200.00
CA$200.00 - CA$200.00
CA$200.00
Explore Scientific Counterweight 5 Pounds
CA$84.00 - CA$84.00
CA$84.00
CA$84.00 - CA$84.00
CA$84.00

Explore Scientific Counterweight 5 Pounds

Weight: 5 pounds Compatibility: Explore Scientific EXOS-2 and EXOS-2GT Mounts Locking Mechanism: Large, secure hand-tightening knob Finish: Black ...

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CA$84.00 - CA$84.00
CA$84.00
CA$84.00 - CA$84.00
CA$84.00
CA$69.99 - CA$69.99
CA$69.99
CA$69.99 - CA$69.99
CA$69.99

Explore Scientific Counterweight Set for Truss Tube DOB

Counterweight Set for ES Truss Tube Dobsonians Includes Two Counterweights Balances Heavy Accessory Loads Direct-Fit Installation on Primary Mirro...

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CA$69.99 - CA$69.99
CA$69.99
CA$69.99 - CA$69.99
CA$69.99
Explore Scientific ES-ASCOM-Y Dual Plug Cable
CA$49.00 - CA$49.00
CA$49.00
CA$49.00 - CA$49.00
CA$49.00

Explore Scientific ES-ASCOM-Y Dual Plug Cable

Connects DB9 and USB Mini-B devices simultaneously to one computer Enables ASCOM control for Explore Scientific PMC-Eight systems Features an inte...

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CA$49.00 - CA$49.00
CA$49.00
CA$49.00 - CA$49.00
CA$49.00
Explore Scientific EXOS-2/EXOS-2GT Counterweight 9.9 Pounds - Black
CA$63.00 - CA$63.00
CA$63.00
CA$63.00 - CA$63.00
CA$63.00

Explore Scientific EXOS-2/EXOS-2GT Counterweight 9.9 Pounds - Black

Official component for Explore Scientific EXOS-2 and EXOS-2GT mounts Essential for balancing telescope optical tubes and imaging payloads Reduces ...

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CA$63.00 - CA$63.00
CA$63.00
CA$63.00 - CA$63.00
CA$63.00
CA$97.99 - CA$97.99
CA$97.99
CA$97.99 - CA$97.99
CA$97.99

Explore Scientific iEXOS-100 Azimuth Adjuster Adapter

Enables fine azimuth adjustments for the iEXOS-100 mount Essential for achieving precise polar alignment Improves tracking accuracy for long-expos...

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CA$97.99 - CA$97.99
CA$97.99
CA$97.99 - CA$97.99
CA$97.99
Explore Scientific iEXOS-100 Counterweight 2.2 Pounds - Black
CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00

Explore Scientific iEXOS-100 Counterweight 2.2 Pounds - Black

2.2 Pound (1 kg) Counterweight Designed for the Explore Scientific iEXOS-100 Mount Ideal for Balancing Lightweight Telescopes and Cameras Secure L...

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CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00
CA$139.99 - CA$139.99
CA$139.99
CA$139.99 - CA$139.99
CA$139.99

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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CA$139.99 - CA$139.99
CA$139.99
CA$139.99 - CA$139.99
CA$139.99
CA$111.99 - CA$111.99
CA$111.99
CA$111.99 - CA$111.99
CA$111.99

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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CA$111.99 - CA$111.99
CA$111.99
CA$111.99 - CA$111.99
CA$111.99
Explore Scientific Replacement Illuminator for Polar Finder EXOS2/EXOS2GT
CA$70.00 - CA$70.00
CA$70.00
CA$70.00 - CA$70.00
CA$70.00

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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CA$70.00 - CA$70.00
CA$70.00
CA$70.00 - CA$70.00
CA$70.00
CA$182.00 - CA$182.00
CA$182.00
CA$182.00 - CA$182.00
CA$182.00

Explore Scientific Right Ascension Drive for EQ3 Mounts

Adds automatic Right Ascension tracking to manual mounts Keeps celestial objects centered in the eyepiece Ideal for high-magnification planetary a...

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CA$182.00 - CA$182.00
CA$182.00
CA$182.00 - CA$182.00
CA$182.00
CA$85.00 - CA$85.00
CA$85.00
CA$85.00 - CA$85.00
CA$85.00

Farpoint 2 lb Add-On Ring Weight for 12" or 16" Weight Set

This add-on weight works in conjunction with the basic weight sets (three 1 pound weights) for the 12" & 16" Meade LightBridge telescopes, Zhum...

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CA$85.00 - CA$85.00
CA$85.00
CA$85.00 - CA$85.00
CA$85.00
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CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00

Farpoint D-Handle (only) for FDA

FDA Product Drawing

CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00
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CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00

iOptron 1.35kg Counterweight

1.35 kg (3 lb.) Weight For 20mm Diameter Counterweight Shafts 20.5 mm Inner Diameter Bore Compact 79 mm Outer Diameter Description FAQ Specific...

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CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00
CA$265.00 - CA$265.00
CA$265.00
CA$265.00 - CA$265.00
CA$265.00

iOptron 10kg Counterweight for CEM120

10 kg (approx. 22 lbs) Weight Designed for iOptron CEM120 Mounts Ensures Proper Telescope Balance Improves Tracking Accuracy and Motor Longevity E...

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CA$265.00 - CA$265.00
CA$265.00
CA$265.00 - CA$265.00
CA$265.00
iOptron 10kg Counterweight for CEM120 (Low Latitude)
CA$319.00 - CA$319.00
CA$319.00
CA$319.00 - CA$319.00
CA$319.00

iOptron 10kg Counterweight for CEM120 (Low Latitude)

10kg Counterweight Designed for iOptron CEM120 Mounts Optimized for use at latitudes below 10° Required by iOptron for CEM120 use between 0° and 1...

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CA$319.00 - CA$319.00
CA$319.00
CA$319.00 - CA$319.00
CA$319.00
iOptron 1kg Counterweight for SmartEQ
CA$39.00 - CA$39.00
CA$39.00
CA$39.00 - CA$39.00
CA$39.00

iOptron 1kg Counterweight for SmartEQ

Weight: ~1 kg (2 lbs) Inner Diameter: 16.1 mm for SmartEQ shafts Outer Diameter: 78.6 mm Compatibility: iOptron SmartEQ & SmartEQ-Pro Mounts ...

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CA$39.00 - CA$39.00
CA$39.00
CA$39.00 - CA$39.00
CA$39.00
CA$97.00 - CA$97.00
CA$97.00
CA$97.00 - CA$97.00
CA$97.00

iOptron 2.5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70

2.5 kg (5.5 lbs.) weight for precise balancing Fits 28.5 mm (1.12 in.) diameter counterweight shafts Compatible with iEQ45, CEM40, GEM45, CEM60, a...

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CA$97.00 - CA$97.00
CA$97.00
CA$97.00 - CA$97.00
CA$97.00
CA$77.00 - CA$77.00
CA$77.00
CA$77.00 - CA$77.00
CA$77.00

iOptron 2kg Counterweight for CEM26, GEM28 and AZ mount Pro

2 kg (4.5 lbs.) weight for precise balancing Fits 20mm diameter counterweight shafts Official accessory for iOptron CEM26, GEM28, and AZ Mount Pro...

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CA$77.00 - CA$77.00
CA$77.00
CA$77.00 - CA$77.00
CA$77.00

What Actually Improves a Mount in Use

Most mount complaints resolve to one of four things: alignment accuracy, balance, clearance or power stability. Each has a specific accessory answer.

  • Polar scopes and alignment aids: Illuminated reticles and electronic polar alignment cameras that reduce alignment from a lengthy drift procedure to a few minutes.
  • Counterweights and extension bars: Correct balance reduces motor load and improves guiding; an extension bar lets a short heavy tube be balanced with less total weight.
  • Pier extensions: Raise the mount head so a long tube clears the tripod legs at the meridian, which is the fix for the most common and most annoying mechanical collision.
  • Equatorial wedges: Convert an alt-azimuth fork mount to equatorial tracking, eliminating field rotation for imaging.
  • Cable management: Clips, wraps and routing hardware that prevent the snag which ends an unattended session at 2 a.m.
  • Power supplies and distribution: Regulated supplies sized for cold-weather draw, since voltage sag is a frequent cause of stalls and tracking faults.

Why Choose David Astro for Mount Accessories

Accessory choice here is entirely mount-specific, so identifying your exact mount comes first.

  • Model-specific fitment: Counterweight shaft diameters, pier extension bolt patterns and wedge mounting all vary by mount, and we confirm the match before shipping.
  • Meridian clearance calculated: Give us your tube length and tripod height and we will work out whether you need an extension and how much.
  • Cold-weather power sizing: We size supplies for the current your mount draws when the grease is stiff at minus 25, not for the specification at room temperature.
  • Authorized dealer: Genuine accessories with full manufacturer warranty, in stock, with fast shipping across Canada and worldwide.

Mount Accessories in Canada: Frequently Asked Questions

Do I need a pier extension?

If your telescope strikes a tripod leg when crossing the meridian, or you cannot reach targets near the pole, yes. Send us your tube length and mount model and we will calculate the required height.

What counterweight do I need?

Enough to balance your payload at a sensible position on the shaft, roughly two thirds out, not at the very end. Shaft diameter is mount-specific, so tell us the model rather than the weight alone.

Is an electronic polar alignment camera worth it?

For imaging, usually yes. It reaches better accuracy than a polar scope in a fraction of the time and works when Polaris is obscured, which helps in urban backyards.

Why does my mount stall in the cold?

Most often voltage sag under load rather than a mechanical fault. Cold thickens lubricant, current draw rises, and an undersized supply or a long thin cable drops voltage below the mount's tolerance.

Finishing your mount setup?

Tell us your mount model and what is giving you trouble. We will specify the fix. Full warranty, shipped from Canada.