RC24 — 24-inch Ritchey-Chrétien Optical Tube Assembly
$86,500.00
The 24-inch Ritchey-Chrétien Optical Tube Assembly (RC24) from PlaneWave Instruments is a masterpiece of optical engineering designed specifically for advanced astronomers and astrophotographers. Featuring a Ritchey-Chrétien optical design, the RC24 is perfect for producing sharp, high-contrast images, suited for a range of demanding observational and scientific applications.
*Price excludes shipping and crating. See our crating and pricing policy for full details.
Key Features Overview
The RC24 is celebrated for its outstanding specifications and features:
- Ritchey-Chrétien (RC) optical design
- 24-inch (610 mm) aperture
- 6459 mm focal length
- f/10.6 focal ratio
- 394.24 mm back focus from mounting surface
- Fused silica mirrors
- Lightweight and rigid carbon fiber optical tube assembly
- Delta-T ready with built-in dew heaters for both primary and secondary mirrors
RC24’s Key Features
Large Aperture and Ritchey-Chrétien Optics
The RC24 employs a purely reflective Ritchey-Chrétien optical system, which includes high-quality hyperbolic mirrors free from refractive optics. This design ensures superior light throughput and excellent image fidelity across the entire field of view, minimizing chromatic aberration and maximizing contrast. This optical system is particularly effective for precise on-axis observations and is less concerned with wide-field imaging.
Robust Mechanical Structure
Constructed with a carbon fiber truss design, the RC24 maintains a lightweight yet durable framework that minimizes thermal expansion. This design ensures sustained optical alignment and structural integrity, making it easier to manage and adapt to various telescope mounts.
Advanced Thermal Management
The RC24 is equipped with integrated cooling fans and thermal management systems that expedite reaching thermal equilibrium. This setup significantly reduces air turbulence inside the telescope tube, thus minimizing image distortion caused by temperature fluctuations and maintaining optimal imaging conditions.
Application-Specific Benefits
Astrophotography
With its large aperture and high-quality optics, the RC24 enables astrophotographers to capture detailed and vivid images of deep-sky wonders, making it an exceptional instrument for capturing expansive galaxies, nebulae, and other celestial phenomena.
Astronomy Research
The RC24 is an indispensable tool for academic institutions and observatories engaged in high-level astronomical research. Its precise imaging capabilities facilitate detailed studies such as spectral analysis, light curve acquisition, and other advanced scientific endeavors.
Specifications
RC24 — 24-inch Ritchey-Chrétien Optical Tube Assembly
Aperture | 610 mm (24") |
Focal Length | 6469 mm (255") |
Focal Ratio | f/10.6 |
Central Obstruction | 32% of the Primary Mirror Diameter |
Back Focus from Mounting Surface | 394.24 mm (15.6") |
Back Focus from Racked in Focuser | 185.4 mm (7.3") | Weight | 240 lbs (108.9 kg) |
OTA Length | 1422 mm (56") |
Upper Cage | Carbon Fiber Truss |
Lower Cage | Carbon Fiber Truss with Aluminum Light Shroud |
Diameter | 175 mm (6.89") |
Material | Fused Silica |
Shape | Hyperbolic |
Coating | Enhanced Aluminum - 96% |
Optical Diameter | 610 mm (24") |
Outer Diameter | 622 mm (24.5") |
Shape | Hyperbolic |
Material | Fused Silica |
Coating | Enhanced Aluminum - 96% |
Included Items | CDK24 Focus Spacer (240343-1) - This 5.539″ long spacer is installed between the backplate and the focuser to take up some of the CDK24’s extra backfocus and reduce the torque placed on the focuser mechanism. This spacer is sized such that the backfocus distance behind the focuser is 8.8″. |
Heating Elements for Dew Prevention - The heating pads on the primary and secondary mirror require the 600195 Delta-T controller sold separately | |
Primary Mirror Cover - To protect the primary mirror | |
Flashdrive - Contains software and instructions for collimation and spacing the primary to secondary mirror | |
Wrench Set (5812A35) - Standard hex wrenches (European orders only) | |
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Please Note- For CDK17 users:
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