Used by observatories, research institutions and universities

ASA400 Ritchey-Chrétien f8 telescope

A perfect fit for the ASA Direct Drive Mounts, with absolute encoders.

Optics without compromise!

Main Data
Focal length3200 mm
Focal ratiof8
Corrected field of View70 mm diagonal
Mirror materialFused Silica (quartz), ultra low thermal expansion 0.55e-6/°C
Main Mirror400 mm hyperbolic
Weight52 kg
SoftwareASA Software, Windows package and Linux SDK (optional)
System Performance with ASA Direct Drive Mount DDM85
Pointing accuracy< 12” RMS with pointing model (for altitude 20° to 85°)
Tracking accuracy< 0,35” RMS within 5 minutes (at optimal ambient and sky conditions) over 5 min 0,07” RMS/min
Slewing speed6°/sec (up to 10°/sec optional)

Basic Equipment

  • ASA 400 telescope with ASA optics
  • All tools necessary for telescope installation
  • Laser for optical collimation
  • 10x more precise
  • with ASA Direct Drive Mount
  • 400% more favorable
  • ASA Modular System

Optional Equipment

  • ASA Direct Drive Mounts f.e. DDM85
  • ASA filter wheel for 4x 100 x 100 mm filters
  • Customer specific camera adapter
  • Correctors: Field Flattener, Reducers
  • ASA-UPS (uninterruptable power supply)
  • Main mirror cover
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