ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro
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  • ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro
  • ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro
  • ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro
  • ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro
  • ZWO AM7 Harmonic Equatorial Mount | PixelSkiesAstro

ZWO AM7 Harmonic Equatorial Mount

€3,290.00
Tax included

ZWO AM7 strain-wave equatorial/alt-az mount, 20 kg payload without counterweight (30 kg with), 6.75 kg mount head.

ZWO AM7 Harmonic Equatorial Mount

ZWO AM7 strain-wave equatorial/alt-az mount, 20 kg payload without counterweight (30 kg with), 6.75 kg mount head.

The AM7 is ZWO's highest-capacity strain-wave (harmonic) mount, built for heavier and longer-focal-length imaging rigs: 20 kg without a counterweight and 30 kg with one, for a 6.75 kg mount head. USB-C and DC power ports on the saddle keep cables tidy.

A strain-wave gear with a synchronous belt (300:1) gives high torque with no meridian-flip balancing worries and, in most setups, no counterweight. It works in equatorial or alt-azimuth mode, has a power-off brake on the RA axis and a mechanical zero position, and is controlled by ASIAIR, the included hand controller, or a PC over USB, Wi-Fi or Bluetooth. Every mount ships with its own periodic-error test report.

Specifications

Mount typeStrain-wave gear mount
ModesEquatorial / alt-azimuth
DriveStepper motor + synchronous belt + size-20 (RA) / size-17 (DEC) strain-wave gear, 300:1
Payload20 kg without counterweight; 30 kg with counterweight
Mount weight6.75 kg
Periodic error< ±10″ (288 s period)
Resolution0.17″
Max slew speed6°/s
Latitude range0–90°
Azimuth adjustment±7.5°
SaddleLosmandy and Vixen
Counterweight bar threadM16 × 2
Power12 V DC, at least 5 A, 5.5 × 2.1 mm centre positive
Power consumptionStandby 0.75 A; tracking 0.95 A; GoTo 2.1 A (12 V)
Guide portST4
ConnectivityUSB, Wi-Fi, Bluetooth
BrakePower-off brake on RA axis
Operating temperature−20 to 40 °C

In the box

Mount, hand controller with 2 m cable, 2 m USB-B and 1 m USB-C cables, PE test report, quick guide, M6 hex key

Manufacturer documentation

Specifications from the manufacturer's manual, checked 2026-11-06. Supplier reference 88445.

88445

Data sheet

Drive
Strain-wave gear plus synchronous belt
Guide port
ST4
Latitude range
0–90°
Mount modes
Equatorial; alt-azimuth
Mount type
Equatorial / alt-azimuth dual mode
Mount weight (kg)
6.75
Operating temperature
−20 to 40 °C
Payload with counterweight (kg)
30
Payload without counterweight (kg)
20
Power connector
5.5 × 2.1 mm centre positive
Power input
12 V DC; at least 5 A
Saddle
Vixen; Losmandy

Specific References

EAN13
6977641322058

Download

ZWO AM7 user manual (2026-04)

ZWO AM7 user manual (2026-04)

Download (3.61MB)
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