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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$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00

Celestron VSP (Vibration Suppression Pads)

CEL-93503

Dampens vibrations from wind, movement, and unsteady ground Made from genuine Sorbothane® for maximum energy dissipation Prevents image blurring a...

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CA$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00
CA$570.00 - CA$570.00
CA$570.00
CA$570.00 - CA$570.00
CA$570.00

Celestron Wedge for NexStar Evolution and SE 6/8

CEL-93665

Enables long-exposure astrophotography with NexStar SE and Evolution mounts Supports a total payload of up to 36 lbs (16.33 kg) Wide 0° to 70° lat...

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CA$570.00 - CA$570.00
CA$570.00
CA$570.00 - CA$570.00
CA$570.00
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CA$37.00 - CA$37.00
CA$37.00
CA$37.00 - CA$37.00
CA$37.00

David Astro Vibration Suppression Pads

DAV-VIB-PAD

Vibration Suppression Pads for Telescopes offer a reliable solution to reduce unwanted movement during stargazing. Designed to minimize vibrations ...

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CA$37.00 - CA$37.00
CA$37.00
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CA$37.00
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CA$32.00 - CA$32.00
CA$32.00
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CA$32.00

Daystar Serial Cable

DAY-SERQ15

Enables PC control of Daystar Quantum series filters Required for use with Quantum Control software Allows for precise, repeatable digital tuning ...

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CA$32.00 - CA$32.00
CA$32.00
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CA$45.00 - CA$45.00
CA$45.00
CA$45.00 - CA$45.00
CA$45.00

Daystar USB Serial Cable - 2m

DAY-USBH15

Official Daystar Filters Accessory Connects Quantum Filters to a PC via USB Enables Full Functionality of Quantum Control Software USB Type-A to D...

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CA$45.00 - CA$45.00
CA$45.00
CA$45.00 - CA$45.00
CA$45.00
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

ES-EXOS2CWB5

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
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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

ES-DOB-CW

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 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

ES-EXOS2CWB

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
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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

ES-ES100AZADJ-03

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
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CA$97.99
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

ES-PFiEXOS100

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
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CA$111.99 - CA$111.99
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CA$111.99

Explore Scientific Illuminated Polar Finder

ES-PFEXOS2

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

ES-EXOS2PFI
2 in stock

Deep Red LED Illumination Variable Brightness Control Fits 50mm Reticle Finder Scopes Compatible with EXOS2 & EXOS2GT Mounts Powered by 2 AA B...

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CA$70.00 - CA$70.00
CA$70.00
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CA$70.00
CA$85.00 - CA$85.00
CA$85.00
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CA$85.00

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

FAP-FP315
Only 1 left!

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$68.00 - CA$74.00
CA$68.00 - CA$74.00
CA$68.00 - CA$74.00
CA$68.00

Farpoint Knob/Spring Kit - Meade LightBridge

FAP-FP320

Upgrade standard telescope primary mirror collimation springs and collimation knobs with Farpoint Knob/Spring Kit. These replacement springs are ma...

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CA$68.00 - CA$74.00
CA$68.00 - CA$74.00
CA$68.00 - CA$74.00
CA$68.00
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CA$59.00 - CA$59.00
CA$59.00
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CA$59.00

iOptron 1.35kg Counterweight

IOP-8605

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
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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

IOP-7326

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)

IOP-7326LL

10kg Counterweight Designed for iOptron CEM120 Mounts Optimized for use at latitudes below 10° Prevents collision with tripod or pier legs OEM iOp...

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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

IOP-3106-02

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

IOP-8027-05

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

IOP-3006-05

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
CA$147.00 - CA$147.00
CA$147.00
CA$147.00 - CA$147.00
CA$147.00

iOptron 3330-SGP

IOP-3330-SGP

CA$147.00 - CA$147.00
CA$147.00
CA$147.00 - CA$147.00
CA$147.00
CA$133.00 - CA$133.00
CA$133.00
CA$133.00 - CA$133.00
CA$133.00

iOptron 4.5kg Counterweight for iEQ30, ZEQ25, CEM25 and CEM40

IOP-3006-10

4.5kg (approx. 10 lbs) Weight Fits 20mm Diameter Counterweight Shafts Official Accessory for iEQ30, ZEQ25, and CEM25 Mounts Required for Balancing...

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CA$133.00 - CA$133.00
CA$133.00
CA$133.00 - CA$133.00
CA$133.00
CA$139.00 - CA$139.00
CA$139.00
CA$139.00 - CA$139.00
CA$139.00

iOptron 5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70

IOP-8027

Weight: 5 kg (11 lbs) Shaft Compatibility: 28.5 mm inner diameter Compatible Mounts: iEQ45, CEM40, GEM45, CEM60, CEM70 Locking Mechanism: M8 Locki...

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CA$139.00 - CA$139.00
CA$139.00
CA$139.00 - CA$139.00
CA$139.00
CA$223.00 - CA$223.00
CA$223.00
CA$223.00 - CA$223.00
CA$223.00

iOptron 9.5kg Counterweight for iEQ45, CEM60 and CEM70

IOP-7226
3 in stock

9.5 kg (20.9 lbs) Counterweight Balances Heavy Telescope & Imaging Payloads Compatible with iOptron iEQ45, CEM40, GEM45, CEM60, & CEM70 Mo...

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CA$223.00 - CA$223.00
CA$223.00
CA$223.00 - CA$223.00
CA$223.00

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 identification matters more than selection.

  • 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.
  • Domestic shipping: Heavy items like counterweights ship from Canada without duties or brokerage fees.

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 matters from 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.