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Plaques à queue d'aronde

A dovetail plate is the single mechanical link between your telescope and everything holding it up, and its stiffness sets the floor for how well your system can guide. David Astro stocks dovetail plates in Canada in both Vixen and Losmandy standards, in lengths from short accessory bars to full-length observatory plates, shipping from Canadian stock.

Choosing correctly is mostly about matching the standard to your mount's saddle and the length to your balance range. Tell us your mount and tube and we will specify the bar.

Filtres

CA$286.00 - CA$286.00
CA$286.00
CA$286.00 - CA$286.00
CA$286.00

Baader Barre à queue d'aronde Baadar Z (AP) - 200mm

BAA-1401130

Queue d'aronde en V, diamètre 70 mm Appairage Vixen / Synta / SkyWatcher / Celestron / Baader V - pour GIRO II Massive EQ-clamp, anodisé noir, ...

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CA$286.00 - CA$286.00
CA$286.00
CA$286.00 - CA$286.00
CA$286.00
CA$124.00 - CA$124.00
CA$124.00
CA$124.00 - CA$124.00
CA$124.00

Baader Barre à queue d'aronde Z (AP) Mark IV - 470mm pour C8/C9.25/C11

BAA-2451102

Convient aux OTA C8/9/11" sur les pinces Zeiss/Astro Physics Longueur = 470 mm, avec une surface de contact plus large de 40 mm pour la fixation...

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CA$124.00 - CA$124.00
CA$124.00
CA$124.00 - CA$124.00
CA$124.00
CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00

Celestron Barre à queue d'aronde 11" - CGE

CEL-94219
1 en stock

Caractéristiques nul Barre à queue d'aronde Celestron 11 pouces (CGE) Barre à queue d'aronde de 11 pouces (CGE)

CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00
CA$113.00 - CA$113.00
CA$113.00
CA$113.00 - CA$113.00
CA$113.00

Celestron Barre à queue d'aronde 14" - CGE

CEL-94218

Caractéristiques nul Barre de queue d'aronde Celestron 14 pouces (CGE) Barre à queue d'aronde de 14 pouces (CGE)

CA$113.00 - CA$113.00
CA$113.00
CA$113.00 - CA$113.00
CA$113.00
CA$67.00 - CA$67.00
CA$67.00
CA$67.00 - CA$67.00
CA$67.00

Celestron Barre à queue d'aronde 8" - CGE

CEL-94216

Caractéristiques nul Barre de queue d'aronde Celestron de 8 pouces (CGE) Veuillez noter que ce produit ne fonctionnera pas avec les télescopes CP...

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CA$67.00 - CA$67.00
CA$67.00
CA$67.00 - CA$67.00
CA$67.00
CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00

Celestron Barre à queue d'aronde 9.25" - CGE

CEL-94217
8 en stock

Caractéristiques nul Barre de queue d'aronde Celestron de 9,25 pouces (CGE) Barre à queue d'aronde de 9,25 pouces (CGE)

CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00
CA$117.00 - CA$117.00
CA$117.00
CA$117.00 - CA$117.00
CA$117.00

Celestron Barre à queue d'aronde UniverPlatine CGE

CEL-94214
1 en stock

Caractéristiques Fixez une variété d'accessoires à votre support de style CGEM ou CGE avec cette plaque de montage universelle Plusieurs trous d...

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CA$117.00 - CA$117.00
CA$117.00
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CA$117.00
CA$56.00 - CA$56.00
CA$56.00
CA$56.00 - CA$56.00
CA$56.00

Celestron Dovetail Accessory Bar for RASA 6"

CEL-94291

Adds 14.2" of CG-5/Vixen style dovetail mounting space Designed specifically for the Rowe-Ackermann Schmidt Astrograph (RASA) 6 Lightweight 11.2 o...

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CA$56.00 - CA$56.00
CA$56.00
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CA$56.00
CA$97.00 - CA$97.00
CA$97.00
CA$97.00 - CA$97.00
CA$97.00

Celestron Barre à queue d'aronde pour Accessoires RASA 8

CEL-94290
1 en stock

Caractéristiques La barre en queue d'aronde se connecte au sommet de l'astrographe Rowe-Ackermann Schmidt 8" pour fixer les accessoires au tube ...

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CA$97.00 - CA$97.00
CA$97.00
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CA$97.00
CA$79.00 - CA$79.00
CA$79.00
CA$79.00 - CA$79.00
CA$79.00

Celestron Barre à queue d'aronde UniverPlatine - CG-5

CEL-94213

Caractéristiques Fixez une variété d'accessoires à votre support Advanced CG-5 ou Advanced VX avec cette plaque de montage universelle Plusieur...

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CA$79.00 - CA$79.00
CA$79.00
CA$79.00 - CA$79.00
CA$79.00
CA$111.99 - CA$111.99
CA$111.99
CA$111.99 - CA$111.99
CA$111.99

Explore Scientific Barre à queue d'aronde pour Caméra

ES-DSLRCDA

Adapts cameras to any standard Vixen-style saddle Multiple slotted mounting points for precise balancing Includes a standard camera mounting bolt ...

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CA$111.99 - CA$111.99
CA$111.99
CA$111.99 - CA$111.99
CA$111.99
CA$83.99 - CA$83.99
CA$83.99
CA$83.99 - CA$83.99
CA$83.99

Explore Scientific Série-V - Barre à queue d'aronde - 7.5"

ES-VXNMD

Une plaque de selle n'est pas l'accessoire astronomique le plus excitant au monde, mais c'est l'un des plus importants lorsqu'il s'agit de la stabi...

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CA$83.99 - CA$83.99
CA$83.99
CA$83.99 - CA$83.99
CA$83.99
CA$169.00 - CA$169.00
CA$169.00
CA$169.00 - CA$169.00
CA$169.00

Support de caméra à queue d'aronde Farpoint série D

FAP-FDUPSCM
1 restant!

Notre barre de queue d'aronde de taille D de 7 pouces de long avec un filetage de montage de caméra standard (1/4-20). Ce système vous permet de mo...

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CA$169.00 - CA$169.00
CA$169.00
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CA$169.00
Épuisé
CA$169.00 - CA$169.00
CA$169.00
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CA$169.00

Farpoint Série D - Barre à queue d'aronde - Celestron 9.25" SCT

FAP-FDC9.25S

Fixez en toute sécurité les tubes optiques du télescope avec la plaque à queue d'aronde Farpoint - Celestron 9,25 pouces SCT. Plaque à queue d'ar...

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CA$169.00 - CA$169.00
CA$169.00
CA$169.00 - CA$169.00
CA$169.00
Épuisé
Épuisé
CA$128.00 - CA$128.00
CA$128.00
CA$128.00 - CA$128.00
CA$128.00

Farpoint Série D - Barre à queue d'aronde Universelle - 14"

FAP-FDUP

Fixez en toute sécurité les tubes optiques et les accessoires du télescope avec la plaque à queue d'aronde universelle Farpoint de 14 pouces. Usin...

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CA$128.00 - CA$128.00
CA$128.00
CA$128.00 - CA$128.00
CA$128.00
Épuisé
CA$112.00 - CA$112.00
CA$112.00
CA$112.00 - CA$112.00
CA$112.00

Farpoint Série D - Barre à queue d'aronde Universelle - 7"

FAP-FDUPS
1 restant!

Fixez en toute sécurité les tubes optiques et les accessoires du télescope avec la plaque à queue d'aronde universelle Farpoint de 7 pouces. Usinée...

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CA$112.00 - CA$112.00
CA$112.00
CA$112.00 - CA$112.00
CA$112.00
CA$136.00 - CA$136.00
CA$136.00
CA$136.00 - CA$136.00
CA$136.00

Farpoint Série V - Barre à queue d'aronde - Celestron 9.25" SCT

FAP-FVC9.25S
1 restant!

Fixez en toute sécurité les tubes optiques et les accessoires du télescope avec la plaque à queue d'aronde Farpoint Vixen - Celestron 9,25 pouces ...

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CA$136.00 - CA$136.00
CA$136.00
CA$136.00 - CA$136.00
CA$136.00
iOptron Ball Head Top Plate
CA$22.00 - CA$22.00
CA$22.00
CA$22.00 - CA$22.00
CA$22.00

iOptron Ball Head Top Plate

IOP-3308

Adapts Vixen-Style Dovetail Bars to Photographic Ball Heads Enables Mounting of Small Telescopes or Lenses on Camera Tripods Creates a Lightweight...

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CA$22.00 - CA$22.00
CA$22.00
CA$22.00 - CA$22.00
CA$22.00
iOptron Dovetail Plate - 115mm universal
CA$55.00 - CA$55.00
CA$55.00
CA$55.00 - CA$55.00
CA$55.00

iOptron Dovetail Plate - 115mm universal

IOP-8422-115

115mm Overall Length Universal Vixen-Style Profile Ideal for Guide Scopes and Finders Provides a Secure Mounting Platform Description FAQ Speci...

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CA$55.00 - CA$55.00
CA$55.00
CA$55.00 - CA$55.00
CA$55.00
iOptron Dovetail Plate - 178mm universal
CA$66.00 - CA$66.00
CA$66.00
CA$66.00 - CA$66.00
CA$66.00

iOptron Dovetail Plate - 178mm universal

IOP-8422-178

178mm (7-inch) Length Universal Mounting Design Provides Secure OTA-to-Mount Connection Aids in Balancing Telescope Assemblies Description FAQ ...

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CA$66.00 - CA$66.00
CA$66.00
CA$66.00 - CA$66.00
CA$66.00
iOptron Dovetail Plate for iEQ45 dual saddle
CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00

iOptron Dovetail Plate for iEQ45 dual saddle

IOP-8422-126

126mm Vixen-Style Dovetail Plate Designed for the iOptron iEQ45 Dual Saddle Provides Secure Mounting for Small Telescopes Compact and Lightweight ...

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CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00
iOptron Dovetail Plate for iOptron SkyTracker Mount
CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00

iOptron Dovetail Plate for iOptron SkyTracker Mount

IOP-8422-166

Designed for iOptron SkyTracker Mounts Provides a Stable Camera Mounting Platform Improves Balance with Telephoto Lenses Reduces Flexure for Sharp...

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CA$59.00 - CA$59.00
CA$59.00
CA$59.00 - CA$59.00
CA$59.00
CA$77.00 - CA$77.00
CA$77.00
CA$77.00 - CA$77.00
CA$77.00

Lunt Série V - Barre à queue d'aronde - 12"

LSS-LS300PS

Fabriqué en aluminium anodisé noir avec filetage 1/4-20. La largeur convient aux supports de style Vixen. Les barres Lunt Dovetail sont parfa...

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CA$77.00 - CA$77.00
CA$77.00
CA$77.00 - CA$77.00
CA$77.00
CA$35.00 - CA$35.00
CA$35.00
CA$35.00 - CA$35.00
CA$35.00

Lunt Série V - Barre à queue d'aronde - 4"

LSS-LS100PS
3 en stock

Fabriqué en aluminium anodisé noir avec filetage 1/4-20. La largeur convient aux supports de style Vixen. Les barres Lunt Dovetail sont parfa...

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CA$35.00 - CA$35.00
CA$35.00
CA$35.00 - CA$35.00
CA$35.00

Dovetail Standards, Length and Stiffness

Two standards dominate, and the difference between them is not just width — it is torsional stiffness, which is what actually stops a heavy tube from twisting under a guiding correction.

  • Vixen-style, approximately 44 mm: Light, near-universal on entry and mid-level mounts, and appropriate for visual loads and small imaging refractors up to a few kilograms.
  • Losmandy-style, approximately 75 mm: Substantially stiffer in torsion, the correct choice for heavy tubes and for imaging where differential flexure would otherwise show in your stars.
  • Length and balance range: A longer bar gives more fore-and-aft adjustment, which matters when adding a heavy camera train shifts the balance point well behind the rings.
  • Slotted versus drilled: Slotted bars allow continuous ring positioning; drilled bars fit specific hole patterns and are usually stiffer for the same mass.
  • Accessory rails: Short bars mounted on top of rings for guide scopes, cameras and finders, keeping accessories on the optical axis rather than cantilevered.
  • Dual-standard plates: Bars machined to fit both saddle types, useful when moving one telescope between mounts.

Why Choose David Astro for Dovetail Plates

Flexure is diagnosed rather than guessed at. We help you find it before you buy a replacement for the wrong component.

  • Saddle compatibility confirmed: We verify what your mount's saddle actually accepts, including dual-fit saddles that grip a narrow bar on its edges rather than its faces.
  • Length sized to your balance: We account for the rearward shift a filter wheel and camera introduce, so you are not left with the rings at the very end of the bar.
  • Machined quality: We stock bars whose dovetail angles are cut accurately enough to seat fully in a saddle, which cheap extruded bars often do not.
  • Authorized dealer: Genuine hardware with manufacturer warranty, stocked domestically and ready to ship.
  • Domestic shipping: Ships from Canada with no duties or brokerage charges for Canadian buyers.

Dovetail Plates in Canada — Frequently Asked Questions

How long a dovetail should I buy?
Long enough that your rings sit near the middle of the bar with the camera attached. If the rings end up at the very front to achieve balance, the bar is too short and you have lost adjustment range.
Is a Losmandy bar overkill for a small refractor?
Often yes, and the extra mass counts against your payload. Below about 7 kg total, a well-machined Vixen bar is usually adequate unless your mount's saddle is Losmandy only.
Can a dovetail cause guiding problems?
Yes. An undersized or poorly seated bar twists under correction, producing errors that look like tracking faults. If guiding degrades at particular tube angles, check the dovetail seating first.
Do you stock bars for specific telescopes?
We carry model-specific bars for many common tubes as well as universal slotted plates. Tell us the telescope and we will confirm the hole pattern.

Sizing a dovetail?

Send us your mount, tube and camera weight and we will specify the bar. Canadian stock, fast domestic shipping.