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# 1454902 Price: € 34,600.00
(Price incl. German VAT excl. shipping)

Important note:

AZ 4000 HPS Mount with DT Set

This mount is based on the mechanics of the GM4000 HPS II and offers a very stable altazimuthal configuration: the AZ4000 HPS is a very versatile research mount, perfect for scientific activities such as satellite tracking, photometric and astrometric measurements, LiDaR laser applications and so on. Due to its altazimuthal design, astrophotography requires a field rotator. With an image field rotator (we recommend the IR90 from Planewave and the Gemini from Optec), "classic" astrophotography with the usual 10 micron precision is also possible.

The standard version allows to assembly the optics to only a side of the mount and is supplied with a counterweight bar. The double telescope version which allows the use of two or more optics in a side by side setup, optimizing the load of the Mount and taking advantage of the altazimuth configuration.

Designed to offer a great sturdiness with no flexures, is all made from machined aluminized alloy. You can order the AZ4000 HPS Mount already configured with the Double Telescope option, or buy it after as an accessory. Payload secondary telescope 100kg.

The double telescope option is compatible with all GM4000 series plates, including the Loduel and Maxidual double mounts. In this way, it is even possible to use four optics directly, two on each side. The double mount kit is designed for great stability and rigidity and is made of high-strength aluminum alloy.


  • Altazimuth mount, professional grade,
  • 10Micron HPS technology with absolute axis-encoders and high performances motor drives;
  • System to use two optical tubes (payload 150kg + 100kg).
  • Due to its altazimuthal design, astrophotography requires a field rotator.
  • DT Upgrade Kit for a dual telescope configuration  (#1454905 AZ 4000 DT Upgrade Kit)  is also available individually.


AZ Series
Recommended Accessories
AZ 4000 HPS
Mount type
Altazimuth German Mount
125 kg – 246 lbs
Instrument payload capacity
150 kg (330lbs) for standard single telescope configuration 150+ 100kg (330+220lbs) for optional dual telescope configuration
Counterweight shaft
60mm diameter, stainless steel
85/80 mm diameter, alloy steel
Pre-loaded tapered roller bearing
Worm wheels
Azimuth. 430 teeth, 330 mm diameter, B14 bronze Alt.. 315 teeth, 244 mm diameter, B14 bronze
Worms screw
diameter 32mm, tempered alloy steel, grinded and lapped
Transmission system
Backlash-free system with timing belt and automatic backlash recovery
2 axes servo brushless
Power supply
24 V DC
Power consumption
~ 1,5 A while tracking ~ 5 A at maximum speed ~ 6 A peak
Goto speed
Adjustable from 2°/s to 8°/s (6°/s in R.A.)
Pointing accuracy
< 20" with internal multiple-stars software mapping
Average tracking accuracy
< +/− 1" typical for 15 minutes (< 0.7" RMS) with internal multiple-stars software mapping and compensation of flexure and polar alignment errors
Security stops
+/− 150° in AZ (software) +/− 155° in AZ (mechanical) +/− 95° in Alt (software) +/− 100° in Alt (mechanical)
Operational temperature range (standard)
- 15° C to + 35° C / + 05° F to + 95° F
Operational temperature range (optional)
- 35° C to + 35° C / - 31° F to + 95° F
Storage temperature range
- 40° C to + 50° C / - 40° F to +122° F
Communication ports
RS–232 port; GPS port; autoguide ST-4 standard port; Ethernet port
User defined mount parking position, 2-stars and 3-stars alignment function, up to 100 alignment stars for modeling, correction of polar alignment and orthogonality errors, estimate of average pointing error, storage of multiple pointing models, sidereal, solar and lunar tracking speed adjustable on both axes, declination-based autoguide speed correction, adjustable horizon height limit, pointing and tracking past meridian,, assisted balance adjustment, manual or GPS based time and coordinates setting, dome control via RS-232, configurable atmospheric refraction, network settings, comets and asteroids filter, multi-language interface. Remote Assist via Internet connection.
PC control
Remote control via RS-232 or Ethernet; proprietary ASCOM driver or Meade compatible protocol; update of firmware and orbital elements of comets, asteroids and artificial satellites via RS-232 or Ethernet; virtual control panel via RS-232 or Ethernet. Wi-Fi included.

Scope of supply


Information provided without guarantee