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Telescopen > Knaeble > Pro RC > Knaeble Ritchey-Chretien RCM 400 FC/Ti
Artikelnummer: 33672

Ritchey-Chretien RCM 400 FC/Ti

$ 34.900,00 incl.btw, + verzendkosten
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The new high-end telescope from Knaeble Engineering

This extraordinary telescope is the result of almost three years of development work. The result is a truss-tube construction Ritchey -Chrétien telescope made of high module carbon-fibre. The connection components for the truss tubes and the adjustment bolts are made ​​of CNC titanium (grade 5). No other telescopes of this class are so light and so temperature and dimensionally stable - even under unfavourable wind conditions and mechanical loads.

The Ritchey -Chrétien telescope (RC) is a special type of Cassegrain optical design that employs hyperbolic primary and secondary mirrors. This design prevents coma - which is a typical aberration of reflecting telescopes. Moreover, the system has a relatively short OTA - a compact design with an f8 aperture ratio, which is both compact and mechanically rigid. The field of view of the Ritchey-Chrétien is also very large. These advantages mean that most modern professional telescopes of are of this design - for example, the four 8.2 meter telescopes of the VLT telescope at the European Southern Observatory (ESO) in Chile.

The telescopes have been designed and built by Knaeble Engineering in Berlin. Each instrument has been individually produced - modelled by Dassault CATIA and structurally designed using finite element analysis. Each telescope hence exists twice - in the real world and in the virtual observatory of the database at Knaeble Engineering. This means that each instrument can be individually serviced throughout its life cycle and individual adjustments can be made to it.

Producing high quality Ritchey -Chrétien optics can be problematic, as each mirror is unique in terms of thickness, diameter and curvature. This means that a standardized primary mirror cell will inevitably lead to astigmatism. Knaeble Engineering takes the opposite path and designs a cell specifically for each optical system in which the mirror can sit free of tension.

Equipped with a Ritchey-Chrétien telescope, you have an observatory of the highest standard:

  • optical quality - 1/16 wave, 94%
  • the location of the focal plane at the back of the OTA is approximately 280mm
  • maximum spot size diameter - 65mm
  • The connection between focuser and OTA can be tilted.
  • Included in delivery:
  • RC FC / Ti telescope
  • Nanotec microstep linear actuator (resolution 0.67μ) secondary mirror focus system
  • Takahashi collimator
  • prism rail according to mount requirements
  • Losmandy 3 carbon-fibre/aluminium 'torsion box' prism rail
  • carbon-fibre covering
  • transport case

Specificaties

Optiek


Type
Reflector
Ontwerp
Ritchey-Chretien
Opening (mm)
400
Brandpuntsafstand (mm)
3240
Openingsverhouding (f/)
8
Resolutie
0,29
Grenswaarde (mag)
14,8
Lichtopbrengst
3270
Max. nuttige vergroting
800
Buis constructie
Open buis

Focuser


Ontwerp
Crayford
Oculair aansluiting
2
Reductie
1:10 fijnbeweging

Montering


Ontwerp
OTA
Type montering
zonder montering

Algemeen


Speciale aanbeveling
ja
Totaal gewicht (kg)
40
Serie
Pro RC

Aanbevolen voor


Beginners
nee
Observatoria
ja
Gevorderd
nee

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Knaeble Ritchey-Chretien RCM 400 FC/Ti
Knaeble Ritchey-Chretien RCM 400 FC/Ti
Knaeble Ritchey-Chretien RCM 400 FC/Ti

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