Alluna
RC-20 Inch
technical
data
System
Ritchey-Chrétien
20 Inch f 8,0
Back Focus: 355 mm
1/25 wave RMS / 632 nm |
Primary mirror
Mirror diameter: 510 mm
Aperture: f3 concave hyperbolic
Standard coating: Aluminum
94%
Glass: Pyrex or Zerodur |
Secondary
Mirror diameter: 185 mm
convex hyperbolic
Standard coating: Aluminum
94% |
Corrector:
Two lens corrector
usable photographic field
65 mm
Advanced Coating 400-900
nm |
Tube
Tubular Tube
Material: Carbon / Aluminium
18 point mirror storage
Fan: 4 pieces
Output opening 100 mm
Secondary focussing
Telescope control system |
Weight
Total weight 74 kg |
Dimensionen:
Spotdiagramme RC20:
Production-related deviations
of technical data possible
Our conditions AGBs
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interested, please contact us at - Contact
