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Knaeble Engineering Pro Line Ritchey-Chrétien 500 mm Full Carbon/Titanium
Knaeble Engineering Pro Line Ritchey-Chrétien 500 mm Full Carbon/Titanium Weave/Design

Knaeble Engineering Pro Line Ritchey-Chrétien 500 mm Full Carbon/Titanium

Product Number: KE-RCM500FC/TI

Manufacturer: Knaeble Engineering
Contact us for accessories and additional details.
Pricing starts at $55,450.   
Optics ...............................................................................f/8 Ritchey-Chrétien
Optical quality ...................................................................1/16 Wave PV, 94%
Opening ............................................................................500 mm
Focal length .......................................................................4,000 mm
Mirror substrate .................................................................Schott Suprax
Focal length primary mirror .................................................1.750 mm (f/3,5)
Diameter primary mirror ....................................................500 mm
Diameter secondary mirror .................................................203 mm
Diameter unvignetted field ..................................................65 mm
Focal extraction behind backplane .......................................ca. 255 mm
Mass (w/o focuser) .............................................................ca. 60 kg
Length (w/o focuser) ...........................................................1.300 mm

The structure of the telescope and the cell of the primary mirror are crafted in High Module Carbon Fiber (HMCF). For maximum stability, the connection components of the truss construction as well as the collimation bolts are in grade 5 titanium.

RC500 Spot Diagram
RC500 Matrix Spot Diagram


Included with scope of delivery:
- Telescope RC FC/Ti
- Motor focus for secondary mirror
- Takahashi collimation scope
- 2 Carbon/Aluminum “Torsion Box”
- Carbon Fiber Dust Cover
- Flightcase

The following options are available:
- Field flattener, 100mm doublet (made in Germany), broadband coated 400-900nm, M68x1 connection, 100mm back focus
- Reducer/corrector 0.74x, 68mm triplet (made in Germany), broadband coated 400-700mn, M68x1 connection, 93mm backfocus
- Telescope thermal control unit, controls all temperature sensors, primary mirror fans, secondary heating and focusing system;  Ascom compatible, Ethernet or USB connection
- Robotic cover for primary mirror (carbon fiber petals) controlled by two Maxon high torque servo motors with encoders
- Titanium/carbon backplate and titanium truss joints

NOTE ON SHIPPING COSTS - shipping costs are not included in the price listed and must be determined separately either before or after the purchase.

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