Manufacturer: ASI - ZWO
Product number: ZWO-AM3

EUR 1.790,00RRP EUR 1.999,00you save 10.5% (EUR 209,00)


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rating: 5.0 of 5
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ZWO AM3 Harmonic Equatorial Mount - GoTo Travel Mount - Mount Head
The traditional equatorial mount requires heavy counterweights. It can be very difficult to keep balance in RA and DEC directions, and also inconvenient for transit and storage, which brings amateur astrophotographers a lot of pain when they are out for imaging.

Some of the strain wave geared drive mounts are relatively simple in functions, insufficient in load capacity, and also not very stable in use.

To solve the above issues, ZWO developed the ASI Mount series. No need for a counterweight. With a self-weight of 3.9 kg, AM3 has a large load capacity from 8 kg to 13 kg. While portability is very important, stability is also essential in use. Instead of blindly pursuing the lightweight of the mount body, ZWO is more so along the lines of stability for an entire use. The internal structure of the body is optimized with the strain wave gear reducer and synchronous belt, bringing more accurate control and an amazing reduction ratio of 300:1. It is also multi-functional that can be used as both an equatorial mount or an altazimuth mount. You can either control the mount via Wi-Fi and Bluetooth, or a hand controller.


Portable and stable
The internal structure of the body is optimized with the strain wave gear reducer and synchronous belt, bringing more accurate control and an amazing reduction ratio of 300:1.

Customized Strain Wave Gear

ZWO developed the special strain wave gear based on the actual needs for astrophotography. It comes with very low periodic error and high torque. Each mount is tested and equipped with an exclusive PE curve before it leaves the factory so that the quality can be guaranteed.

3.9 kg Net Weight

Instead of blindly pursuing the lightweight of the mount body, ZWO is more so along the lines of stability for an entire use.

8 kg - 13 kg Payload

The load capacity of AM3 without the counterweight is 8 kg, and 13 kg with the counterweight.
Supported counterweight: ?5 kg
The counterweight should be secured on a counterweight bar of no more than 25 cm in length.



Versatile
Equatorial Mode / Altazimuth Mode

Can be switched via ASI Mount App or hand controller
Equatorial Mode: Suitable for tracking and photographing objects
Altazimuth Mode: Suitable for visual astronomy


All-round 0°-90° Pitch Angle
Gear 1: Allow you to adjust the pitch angle grip to achieve a degree between 0 and 60.
Gear 2: You can loosen the hex-head screw and then adjust the pitch angle grip to achieve a degree between 30 and 90.



Easy to Control
Wireless Control

Tonight?s Target, GOTO, Live Preview and so many great functions can all be achieved with your phone.

Rocker-style Hand Controller

Comfortable touch and easy to use. Integrated with Wi-Fi network allowing for wireless control. You can easily upgrade the firmware of the hand controller and mount it on the ZWO webpage.

Seamless Linkage with ASIAIR

ASIAIR can control AM3 via a wired or wireless connection. The ASI package gives customers the best astrophotography experience.
Mount type:German equatorial mount
Mount mode:Equatorial mode / altazimuth mode
Drive:Strain wave gear + Synchronous belt (Reduction ratio 300/1)
Periodic error:<±15"
PE duration:288 s
Drive (RA):NEMA35 stepper motor + Model No. 14 (Reduction ratio 100/1) + brake
Drive (DEC):NEMA35 stepper motor + Model No. 14
Load capacity:8 kg without counterweight, 13 kg with counterweight
Latitude adjustment range:0°-90°
Azimuth angle adjustment range:±6°
Dovetail:Losmandy & Vixen
Interface thread of counterweight shaft:M12
Stepper motor resolution:0.17"
Max slew speed:6°/s
Slew rate:0.5x, 1x, 2x, 4x, 8x, 20x, 60x, 720x, 1440x
Power port:DC 5.5/2.1 (12 V, 5 A)
Power consumption:12 V / 0.5 A (standby), 12 V / 0.5 A (tracking), 12 V / 0.7 A (GOTO), 12 V / 1.3 A (GOTO, Heavy Load Mode)
Guide port:ST-4
Communication interface:USB/WiFi/Bluetooth
Zero position:Mechanical
Power failure protection:Yes
Operating temperature:-15 °C to 40 °C
Weight:3.9 kg
AM3 mount body
Hand controller
2 m Hand controller cable
2 m USB2.0 cable
M6 Allen key
M4 Allen key
Performance sheet
Quick guide brochure
Case

Manual
Link to the manual in English language: ZWO_AM3_ZWO_ASI_Mount_3_AM3_en.pdf.
Manufacturer / Importeur:Teleskop-Service Ransburg GmbH
Street:Von-Myra-Str. 8
ZIP / City:85599 Parsdorf
Country:Germany
Telefon number:+49 89 99228750
Email:info@teleskop-service.de
Website:www.teleskop-service.de
Safety informations: PDF Download


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Reviews

Written by Ewald Weber
on 2025-05-27

"Die ZWO AM3 hat meine Erwartungen übertroffen. Trotz ihrer handlichen Größe trägt sie mein Setup (inkl. Teleskop und Kamera) mühelos. Die Einrichtung mit dem ZWO ASIAIR gelingt in wenigen Minuten, die Motoren arbeiten flüsterleise und das Guiding bleibt auch bei Langzeitbelichtungen stabil. Besonders praktisch: Sie lässt sich flexibel im Alt-Az- oder EQ-Modus nutzen – ideal für Deep-Sky- und Planetenaufnahmen. Wer eine portable, leistungsfähige und durchdachte Montierung sucht, wird mit der AM3 rundum zufrieden sein."

Written by Maarten Baes
on 2023-11-29

"Very solid mount. Control via iPad works very nice. Will be tested on Antarctic at -30°C."