The preslit devices of the Nasmyth-2 focus of the 6-m telescope:


  1. flat mirror of the field TV viewer
  2. optics of the field TV viewer
  3. TV viewer
  4. hollow cathode lamp
  5. continual spectrum lamps
  6. balance filter
  7. optics of the calibration channel
  8. flat mirror of the calibration channel
  9. circular polarization analyser
  10. Fabry-Perot etalon
  11. Jodine cell
  12. beam splitter unit
  13. dekkers turret of echelle spectrographs
  14. mirror of dekkers viewer
  15. Main Stellar Spectrograph (MSS) slit unit
  16. optics of viewer of dekkers turret and of the MSS slit
  17. TV viewer of dekkers turret and of the MSS slit
  18. TV viewer filters turret
Preslit


NES page | LYNX page | MSS page