PlaneWave RC20 Telescope
Starting Price: $66,000.00
Price as Configured: $66,000.00
Price as Configured: $66,000.00
Brand: PlaneWave Instruments / SKU: PW-200125Q
The 20-Inch Ritchey-Chrétien (RC20) from PlaneWave Instruments exemplifies the blend of advanced engineering and high-performance design tailored for professional astronomers and astrophotographers. With its Ritchey-Chrétien optical design, the RC20 is ideal for delivering sharp, high-contrast images for a variety of demanding observational and scientific applications.
The RC20 is notable for its superior specifications and features:
- 20-inch (508 mm) aperture
- Ritchey-Chrétien (RC) optical design
- 3556 mm focal length
- f/7 focal ratio
- 147 mm back focus from racked in focuser
- Dual carbon-fiber truss design
- Lightweight and robust construction
NOTE: Shipping cost will be determined after the order is made and must be paid for before the telescope will ship. A shipping quote can be obtained on request.
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Optical system
| Aperture | 20" (508 mm) |
|---|---|
| Focal length | 3454 mm |
| Focal ratio | f/6.8 |
| Central obstruction | 39% of primary mirror diameter |
| Backfocus from racked in focuser | 147 mm |
| OTA length | 1194 mm |
| Construction | Carbon fibre truss and light shroud |
| Weight | 63.5 kg |
Primary mirror
| Optical diameter | 508 mm |
|---|---|
| Outer diameter | 521 mm |
| Material | Precision Annealed Borosilicate or Fused Silica |
| Shape | Hyperbolic |
| Coating | Enhanced aluminium - 96% |
Secondary mirror
| Diameter | 191 mm |
|---|---|
| Material | Precision Annealed Borosilicate |
| Shape | Hyperbolic |
| Coating | Broadband AR Coatings (less than .5% reflected from 400 to 700nm) |
