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Montures hybrides

Harmonic drive mounts changed what portable astrophotography means. Strain-wave gearing holds a substantial payload with little or no counterweight, so a mount that fits in a backpack can carry a telescope that would previously have needed a mount weighing three times as much plus 10 kg of counterweights. David Astro carries harmonic drive mounts in Canada, held in Canadian stock.

They guide well and behave differently from worm-gear mounts in ways worth understanding first. Tell us your payload and focal length and we will set expectations honestly.

Filtres

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iOptron HAE16C AZ/EQ Dual SWG

IOP-HE162C

Hybrid EQ/Alt-Az Mount Design 18 lbs (8.2 kg) Payload without Counterweight 5.7 lbs (2.6 kg) Mount Head Weight StrainWave RA Gear & Worm/Belt ...

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$1,398.00 - $1,398.00
$1,398.00
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iOptron HAE18C AZ/EQ Dual Strain Wave GoTo Mount
$1,649.00 - $1,649.00
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iOptron HAE18C AZ/EQ Dual Strain Wave GoTo Mount

IOP-HE182C

Payload (without counterweight): 18.7 lbs (8.5 kg) Mount Head Weight: 6.2 lbs (2.82 kg) Payload-to-Weight Ratio: 3.01 Drive System: Dual Strain Wa...

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$1,649.00 - $1,649.00
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iOptron HAE29 Dual AZ/EQ SWG Mount - HAE29C
$1,998.00 - $3,899.00
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$1,998.00

iOptron HAE29 Support SWG double AZ/EQ

Options available

Présentation des nouveaux membres de la famille de montages d'engrenages à ondes de contrainte iOptron - AZ/EQ double montage HAE29 et HAE29 EC ! C...

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$1,998.00 - $3,899.00
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iOptron HAE43 Dual AZ/EQ SWG Mount - HAE43C
$2,798.00 - $4,889.00
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$2,798.00

iOptron HAE43 Support SWG double AZ/EQ

Options available

Présentation des nouveaux membres de la famille de montages d'engrenages à ondes de contrainte iOptron - AZ/EQ double montage HAE43 et HAE43 EC ! C...

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$2,798.00 - $4,889.00
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$2,798.00
iOptron HAE69 Dual AZ/EQ SWG Mount - HAE69C
$3,848.00 - $6,089.00
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iOptron HAE69 Double monture AZ/EQ SWG

Options available

Présentation des nouveaux membres de la famille de montage iOptron à engrenages à ondes de contrainte (SWG) - HAE69 et HAE69 EC Monture double SWG ...

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$3,848.00 - $6,089.00
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$358.00 - $918.00
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$358.00

Monture iOptron SkyHunter EQ/AZ

Options available
2 variants in stock

La nouvelle monture ultra compacte EQ/AZ GoTo d'iOptron - voici The SkyHunter TM ! Quinze ans après avoir lancé la monture innovante Cube TM AZ/EQ ...

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$358.00 - $918.00
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$2,960.00 - $2,960.00
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Support d'engrenage harmonique Pegasus NYX-101

PEG-NYX101

Nyx, l'ancienne déesse grecque de la nuit, nous a éclairé pour concevoir et produire un support hautes performances et à charge utile élevée qui p...

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$1,950.00 - $2,334.60
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Pegasus NYX-88 Harmonic Gear Mount

Options available
1 variants in stock

Supports up to 14 kg (without counterweights). Dual-mode operation (Equatorial and ALT-AZ). Strain wave gear system for zero backlash. Wi-Fi, USB ...

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$2,095.00 - $2,095.00
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Sky-Watcher Monture AZ-EQ5

SW-S30200

Caractéristiques Mode équatorial allemand/Alt-Az/dual-OTA. Correction d'erreur périodique permanente (PPEC). Entraînement par courroie - Courb...

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$2,850.00 - $2,850.00
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Sky-Watcher Monture AZ-EQ6

SW-S30330

L'AZ-EQ6 est la monture multi-rôle ultime, alliant la popularité d'une monture EQ à la commodité d'une monture AZ. Avec sa capacité de charge util...

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$525.00 - $525.00
$525.00
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Sky-Watcher Monture AZ-GTi

SW-S21110

Caractéristiques Monture azimutale polyvalente Trépied en aluminium à hauteur réglable avec pieds de 1,25" Capacité de charge utile de 11 livr...

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Sky-Watcher Wave 100i Pro Mount with Carbon Fiber Tripod & Pier Extension

SW-S40013

Wave 100i GoTo strainwave head EQ and AZ modes Weighs 9.5 pounds (4.3kg) 22-pound (10kg) payload capacity without optional counterweight 33-pound ...

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$2,195.00 - $2,195.00
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Sky-Watcher Wave 100i Pro Mount with Steel Tripod & Pier Extension

SW-S40014

Supports a 22 lb imaging payload on a mount head that weighs only 9.5 lbs Includes a heavy-duty 2-inch adjustable steel tripod and extension tube ...

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Support d'onde de contrainte Sky-Watcher Wave 100i

SW-S30900
1 en stock

Tête à ondes de contrainte Wave 100i GoTo Modes égaliseur et AZ Pèse 9,5 livres (4,3 kg) Capacité de charge utile de 22 livres (10 kg) san...

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Sky-Watcher Wave 150i Pro Mount Kit w/ Carbon Fiber Tripod and Pier Extension Tube

SW-S40015

Tête GoTo Wave 150i à réducteur harmonique Modes EQ et AZ Gestion des câbles intégrée Poids de 12.8 lb (5.8 kg) Capacité de charge de 33 lb (15 kg...

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Sky-Watcher Wave 150i Pro Mount Kit w/ Steel Tripod and Pier Extension Tube

SW-S40016
1 en stock

Supports 33 lbs without counterweights, expandable to 55 lbs Ultra-portable 12.8 lb mount head weight Dual AZ and EQ tracking modes for visual and...

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Support d'onde de contrainte Sky-Watcher Wave 150i

SW-S30905
1 en stock

Tête à ondes de contrainte Wave 150i GoTo Modes égaliseur et AZ Gestion des câbles intégrée Pèse 12,8 livres (5,8 kg) Capacité de charge...

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ZWO Monture harmonique équatoriale AM3N avec trépied TC40

ZWO-AM3N-KIT
1 en stock

Capacité de charge de 17.64 lb. (8.0 kg) sans contrepoids Ne pèse que 9.04 lb. (4.1 kg) pour une portabilité extrême Double mode azimutal et équat...

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ZWO Monture harmonique équatoriale AM5N avec trépied TC40

ZWO-AM5N-KIT

Porte 33 lb (15 kg) sans contrepoids Tête de monture légère de 12.1 lb (5.5 kg) Double mode équatorial et azimutal Plage de latitude de 0° à 90° p...

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ZWO Monture harmonique équatoriale AM7 avec trépied TC40

ZWO-AM7-KIT
1 en stock

Capacité de charge de 44 lb (20 kg) sans contrepoids Tête de monture de 14.9 lb (6.8 kg) Double mode équatorial et azimutal Moteur pas à pas avec ...

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$2,499.00 - $2,499.00
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How Strain-Wave Gearing Changes a Mount

A harmonic drive uses a flexible toothed cup deforming inside a rigid ring, giving very high reduction in a compact package with essentially zero backlash.

  • Payload without counterweights: The high holding torque means many setups need no counterweight at all, which removes several kilograms from what you carry.
  • Zero backlash: The gearing has no meshing slack, so guiding corrections take effect immediately in both directions.
  • Higher periodic error: Harmonic drives typically show more periodic error than a good worm gear, but it is smooth and repeatable, and guiding removes it effectively.
  • Guiding is expected: These mounts are designed to be guided. Unguided long exposures are not their strength, and that is a reasonable trade for the portability.
  • Setup speed: No counterweight balancing means setup is genuinely fast, which matters when clear nights are short and unpredictable.
  • Focal length limits: Excellent up to moderate focal lengths. At very long focal length the residual error becomes a larger fraction of your image scale.

Why Choose David Astro for Harmonic Drive Mounts

These mounts are frequently oversold on payload alone. The useful question is payload at your focal length.

  • Sized against focal length, not just weight: A harmonic mount comfortably carrying 12 kg at 400 mm may be working hard at 1500 mm with the same load.
  • Guiding setup support: We help with guiding configuration, since these mounts respond differently from worm drives and default aggressiveness settings are often wrong.
  • Tripod matched: A portable mount on an inadequate tripod loses its advantage entirely, and we specify the two together.
  • Authorized dealer: Full manufacturer warranty with service handled domestically in Canada.
  • Ships from Canada: No duties or brokerage fees for Canadian buyers.

Harmonic Drive Mounts in Canada — Frequently Asked Questions

Do I really not need counterweights?
For most payloads, no. The gearing holds the load without balance assistance. Some users add a small counterweight at heavier loads to reduce motor effort, but it is optional rather than required.
Is the periodic error a problem?
Not with guiding. The error is larger than a premium worm gear but smooth and predictable, which is exactly what guiding removes well. Unguided imaging is where it shows.
What focal length can I use?
Comfortably up to moderate focal lengths with good guiding. Beyond roughly 1000 to 1500 mm, expect to be more careful about guiding settings and seeing conditions.
How do they behave in the cold?
Generally well, with the usual increase in current draw as lubricant stiffens. Size the power supply and cable accordingly, since voltage sag is the most common cold-weather fault.

Going portable?

Tell us your payload and focal length and we will size the mount and tripod. Ships from our Canadian warehouse.