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Accessoires de montures

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.

Filtres

Orion Optics UK 200mm Small Dob brake (recommended)
$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76

Orion Optics UK 200mm Small Dob brake (recommended)

OOUK-200MM-SMALL-DOB-BRAKE-RECOMMENDED

Recommended for the 200mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

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$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76
Orion Optics UK 250mm Large Dob brake (recommended)
$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76

Orion Optics UK 250mm Large Dob brake (recommended)

OOUK-250MM-LARGE-DOB-BRAKE-RECOMMENDED

Recommended for the 250mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

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$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76
Orion Optics UK 300mm Large Dob brake (recommended)
$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76

Orion Optics UK 300mm Large Dob brake (recommended)

OOUK-300MM-LARGE-DOB-BRAKE-RECOMMENDED

Recommended for the 300mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

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$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76
Orion Optics UK 350mm Large Dob brake (recommended)
$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76

Orion Optics UK 350mm Large Dob brake (recommended)

OOUK-350MM-LARGE-DOB-BRAKE-RECOMMENDED

Recommended for the 350mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

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$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76
Orion Optics UK 400mm Large Dob brake (recommended)
$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76

Orion Optics UK 400mm Large Dob brake (recommended)

OOUK-400MM-LARGE-DOB-BRAKE-RECOMMENDED

Recommended for the 400mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

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$93.76 - $93.76
$93.76
$93.76 - $93.76
$93.76
Orion Optics UK Handle to fit flat surface (HANDLE-FLAT-SURF)
$119.19 - $119.19
$119.19
$119.19 - $119.19
$119.19

Orion Optics UK Handle to fit flat surface (HANDLE-FLAT-SURF)

OOUK-HANDLE-FLAT-SURFACE

CNC-machined aluminum construction Durable black anodized finish Ergonomic, ambidextrous grip Mounts to any flat surface Counterbored holes for fl...

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$119.19 - $119.19
$119.19
$119.19 - $119.19
$119.19
Orion Optics UK KN40GP CNC machined Mount Knob set
$187.69 - $187.69
$187.69
$187.69 - $187.69
$187.69

Orion Optics UK KN40GP CNC machined Mount Knob set

OOUK-CNC-MACHINED-KNOB-SET-ONE

Replaces stock plastic knobs on equatorial mounts Precision CNC machined aluminum construction Durable black anodized finish Fits common 6mm diame...

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$187.69 - $187.69
$187.69
$187.69 - $187.69
$187.69
Orion Optics UK KN40x2 CNC machined Mount Knob BLUE set (KN40x2)
$161.66 - $161.66
$161.66
$161.66 - $161.66
$161.66

Orion Optics UK KN40x2 CNC machined Mount Knob BLUE set (KN40x2)

OOUK-CNC-MACHINED-KNOB-SET-BLUE

CNC Machined Aluminum Construction Durable Blue Anodized Finish Ergonomic Grip for Precise Manual Control Designed for Mounts with 6mm Worm Shafts...

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$161.66 - $161.66
$161.66
$161.66 - $161.66
$161.66
Orion Optics UK Radius Blocks for 200mm Scopes
$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57

Orion Optics UK Radius Blocks for 200mm Scopes

OOUK-200MM-RADIUS-BLOCKS-EACH

Precision-machined for 200mm diameter optical tubes Provides a stable, non-flexing mounting point for accessories Ideal for finderscopes, guide sc...

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$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57
Orion Optics UK Radius Blocks for 300mm Scopes
$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57

Orion Optics UK Radius Blocks for 300mm Scopes

OOUK-300MM-RADIUS-BLOCKS-EACH

Designed for 300mm Diameter Telescope Tubes Provides a Stable, Curved Mounting Surface Distributes Clamping Force to Prevent Tube Damage Ideal for...

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$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57
Orion Optics UK Radius Blocks for 350mm Telescopes
$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57

Orion Optics UK Radius Blocks for 350mm Telescopes

OOUK-350-400-MM-RADIUS-BLOCKS

Provides a stable, flat mounting surface on a curved tube Precisely machined to match the radius of a 350mm telescope Ideal for attaching dovetail...

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$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57
Orion Optics UK Radius blocks to fit 150mm scope
$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57

Orion Optics UK Radius blocks to fit 150mm scope

OOUK-150MM-RADIUS-BLOCKS-EACH

Designed for 150mm Telescope Tubes Provides a Curved Mounting Surface Ensures a Secure, Flush Fit for Accessories Sold Individually Description...

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$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57
Orion Optics UK Radius Blocks to Fit 250mm Scope
$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57

Orion Optics UK Radius Blocks to Fit 250mm Scope

OOUK-250MM-RADIUS-BLOCKS-EACH

Designed to perfectly match 250mm diameter telescope tubes Provides a stable, no-flex mounting surface for accessories Prevents tube damage by dis...

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$71.57 - $71.57
$71.57
$71.57 - $71.57
$71.57
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

Entretoises en aluminium Pegasus pour support NYX-101

PEG-ADAPT101-STDOFF

Une extension de jetée (+18 cm / 7” est disponible). La jetée peut être facilement construite en achetant les trois (3) pièces suivantes : EQ...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
$41.78 - $45.58
$41.78 - $45.58
$41.78 - $45.58
$41.78

Pegasus Câble USB EQDIR pour EQMOD

Options available
11 variants in stock

Notre nouvel adaptateur de clé USB EQDir compact pour EQMOD permet une connexion directe des supports Skywatcher HEQ5 Syntrek/PRO, NEQ6 Syntrek/PR...

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$41.78 - $45.58
$41.78 - $45.58
$41.78 - $45.58
$41.78
$30.70 - $30.70
$30.70
$30.70 - $30.70
$30.70

Adaptateur détachable Pegasus NYX-101 Polemaster

PEG-NYX-PLMSTR

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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$30.70 - $30.70
$30.70
$30.70 - $30.70
$30.70
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

PrimaLuceLab Contrepoids PLUS 1Kg

PLL-CONTRPLUS
1 en stock

Ce contrepoids de 1 Kg permet un équilibrage plus facile des tubes optiques. Il peut être installé des deux côtés, sur l'optique avant ou arrière d...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
PrimaLuceLab Counterweight PLUS 1Kg
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

PrimaLuceLab Counterweight PLUS 1Kg

PLL-CONTRPLUS
1 en stock

Adds 1 Kg for precise balance adjustments Compact 65x60mm footprint 35mm thickness Stackable design for creating heavier weights Integrates with t...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Interface USB PrimaLuceLab EQMOD pour EQ5, HEQ5, AZ-EQ5, AZ-EQ6 et EQ8

PLL-PLLUSBAZEQ6

L'interface USB EQMOD pour les supports SkyWatcher se connecte au port de la manette des supports informatisés SkyWatcher et au port USB de l'ord...

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$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Interface USB PrimaLuceLab EQMOD pour EQ6

PLL-PLLUSBEQ6

L'interface USB EQMOD vous permet de connecter les montures SkyWatcher à l'ordinateur de contrôle (également l'EAGLE) en contournant le coussinet d...

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$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00

Entretoises PrimaLuceLab PLUS 10mm

PLL-PLLSPES10
1 en stock

Lorsque l'on installe plusieurs instruments (par exemple télescope avec lunette guide en parallèle) sur la monture, il peut arriver qu'ils soien...

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$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00

Entretoises PrimaLuceLab PLUS 20mm

PLL-PLLSPES20
1 en stock

Lorsque l'on installe plusieurs instruments (par exemple télescope avec lunette guide en parallèle) sur la monture, il peut arriver qu'ils soien...

Afficher tous les détails
$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

Entretoises PrimaLuceLab PLUS 30mm

PLL-PLLSPES30
1 en stock

Lorsque l'on installe plusieurs instruments (par exemple télescope avec lunette guide en parallèle) sur la monture, il peut arriver qu'ils soien...

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

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

QHY-020045

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 - $45.00
$45.00
$45.00 - $45.00
$45.00

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.