Ritchey-Chrétien Alt-Az telescope f7 f2.5 with Nasmyth focus

The evolution of telescopes…

Technical Details

Main Data
Focal length5600 mm
Focal ratiof7
Optical diameter<= 800 mm
Field of View70 mm
Mirror materialFused Silica (quartz), ultra low thermal expansion 0.55e-6/°C
SoftwareASA Software, Windows package and Linux SDK (optional)
System Performance with ASA Direct Drive Mount DDM85
Pointing accuracy< 8” RMS with pointing model (for altitude 20° to 85°)
Tracking accuracy< 0,25” RMS within 5 minutes (at optimal ambient and sky conditions) over 5 min 0,05” RMS/min
Slewing speed6°/sec (up to 10°/sec optional)

Basic Equipment

  • ASA AZ800 telescope including fork mount and telescope with ASA optics
  • Telescope electronics rack including all power supplies for telescope, IP-remote power switch, Ethernet switch
  • All tools necessary for telescope installation
  • Laser for optical collimation

Optional Equipment

  • ASA ADR 160 – Derotators
  • 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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