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Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA
Built around zero-expansion quartz optics, the Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA provides an 800mm aperture, 6400mm focal length, and carbon truss construction.
- 800mm aperture provides 0.14-arcsecond resolution
- 6400mm focal length uses f/8 optics
- Synthetic quartz substrates support thermal stability
- Carbon truss includes anodized aluminum rings
- Electronic focus system includes temperature compensation
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Description
Professional-scale true RC imaging begins with the Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA, an 800 mm optical tube with a 6400 mm focal length and listed f/8 optical ratio. Its synthetic quartz mirror substrates, carbon-fiber truss, aerospace aluminum rings, dual Losmandy rails, electronic temperature-compensated focusing, fixed mirror cell, thermal extraction fans, and protective shroud support an observatory system where thermal stability and mechanical precision are central operating requirements.
The 255 kg optical assembly requires a purpose-built pier, mount, camera system, guider, power infrastructure, and controlled access, while the synthetic quartz configuration is intended to reduce thermal geometry changes during continuous survey operation. The telescope should be collimated and aligned after installation, and all structural, optical, electrical, and thermal systems should be checked before long-exposure imaging begins.
Key Features of Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA
This ultra-large true RC optical tube combines an 800 mm aperture with a 6400 mm focal length, f/8 optical ratio, synthetic quartz substrates, hyperbolic mirrors, 96% reflective coatings, carbon-fiber truss, aerospace aluminum rings, electronic focus, thermal fans, dual Losmandy rails, and protective shroud.
- 800 mm true Ritchey-Chrétien optical system
- 6400 mm focal length with listed f/8 optical ratio
- Synthetic quartz low-expansion mirror substrates
- Hyperbolic primary and secondary mirrors
- 96% protected reflective coating matrix
- Electronic temperature-compensated focus
- Carbon-fiber truss with aerospace aluminum rings
- Thermal fans, dual rails, controller interface, and shroud included
Temperature-Stable Survey Imaging
The supplied application focuses on automated deep-field survey imaging across changing outdoor temperatures, with the synthetic quartz core supporting the listed low-expansion configuration while final tracking, guiding, camera compatibility, focus control, collimation, calibration, and environmental management depend on the complete observatory system and operating procedures.
Why Choose Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA
The SGA edition is relevant when an extreme observatory imaging installation needs synthetic quartz mirror substrates, carbon structural rings, electronic temperature compensation, active thermal extraction, dual Losmandy mounting, and a true RC optical design capable of supporting specialized survey work under demanding thermal conditions.
- Synthetic quartz substrates for low-expansion imaging
- Electronic temperature-compensated focusing
- Carbon truss, thermal fans, dual rails, controller interface, and shroud included
Officina Stellare 2-Year Limited Warranty
The supplied product information lists a 2-year limited warranty for this optical tube assembly, and the applicable regional warranty terms, mirror coverage, electronic focus coverage, thermal system coverage, structural coverage, registration requirements, and authorized service process should be confirmed with Officina Stellare or its authorized distributor before commissioning the telescope.
Officina Stellare RC 800/6400 Pro RC SGA Ritchey-Chretien OTA Specs
| Brand | Officina Stellare |
| Full Model Code | Officina Stellare ProRC 800 Synthetic Quartz Ceramic Core Carbon Truss Astrophotography Optical Tube Assembly - SGA Edition |
| Country of Origin | Italy |
| Optical Design | True Ritchey-Chretien (Coma-Free Two-Mirror Reflecting System with Hyperbolic Primary and Secondary Elements) |
| Aperture | 800 mm (31.50 inches) |
| Focal Length | 6400 mm |
| Focal Ratio | f/8 |
| Optical Coatings | High-Reflectivity Multi-Layer Aluminum Coating Matrix with 96% Protected Reflectance Efficiency |
| Glass Material | Ultra-Low Expansion Synthetic Quartz Glass Primary and Secondary Mirror Substrates (Zero-Expansion Class Material) |
| Secondary Mirror Obstruction | 352 mm |
| Secondary Mirror Obstruction by Diameter | 44.0% |
| Secondary Mirror Obstruction by Area | 19.36% |
| Resolving Power | 0.14 Arcseconds (Dawes), 0.17 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 17.2 |
| Highest Useful Magnification | 1600x |
| Lowest Useful Magnification | 114x |
| Optical Tube Material | Open-Frame High-Modulus Carbon Fiber Truss Layout with Machined Clear Anodized Aerospace Aluminum Alloy Component Structural Rings (SGA) |
| Focuser Style & Mechanism | Electronic Secondary Mirror Focus Adjustment Drive Array with Internal Temperature Compensation Mechanics |
| Mirror Lock Mechanism | Yes (Fixed Multi-Point Fixed Optical Array Substrate Cell with Integrated Rear Axial Restraint Brackets) |
| Optical Tube Dimensions | 1100 mm x 2350 mm |
| Optical Tube Weight | 255.00 kg (562.18 lbs) |
| Mount Attachment Type | Custom Heavy-Duty Multi-Point Observatory Baseplate Mounting Rail Array Layout |
| Finder Scope Specification | Not Included / Pre-drilled for Professional Auxiliary Target Tracker Brackets |
| Included Accessories | 800mm ProRC Synthetic Quartz OTA, Clear Anodized Components Framework, Integrated Multi-Fan Secondary Boundary Layer Thermal Extraction System, Electronic Focus Controller Interface Hub, Protective Fabric Truss Shroud Blanket |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Automated continuous survey operations inside volatile outdoor thermal tracking environments, matching an ultra-low expansion synthetic quartz foundation to eliminate geometry shifts entirely. |
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