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Orion AG10 250/950 Carbon Astrograph OTA
Supplied as an independent optical tube, the Omegon Pro Astrograph 304/1200 OTA provides a 304mm quartz Newtonian with 1200mm focal length and a 3-inch monorail focuser.
- 304mm aperture provides 0.38-arcsecond resolution
- 1200mm focal length uses f/4 optics
- 3-inch monorail focuser provides 10:1 adjustment
- Losmandy plate and extension rings included
In Stock
Description
Delivering an ultra-fast f/3.8 focal ratio with certified 1/10 PV wavefront optics, the Orion AG10 250/950 Carbon Astrograph OTA deep-space imaging telescope provides 0.46 arcsecond Dawes resolving power. Designed and manufactured in the United Kingdom by Orion Optics UK, this 250mm (9.84 inches) aperture instrument features a 950mm focal length, reaching magnitude 13.8 for full-frame prime-focus astrophotography.
The Orion AG10 250/950 Carbon Astrograph OTA utilizes a precision-annealed Suprax parabolic primary mirror treated with Hilux multi-layer coatings delivering 97% reflectivity. Its genuine multi-layer twill carbon fiber structural shell includes matte internal anti-reflective paint, an integrated 3-inch Wynn coma corrector, and a 3-inch dual-speed rack and pinion focuser with a 10:1 micro-drive. Supported by a CNC 9-point mirror cell, the 11.00 kg (24.25 lbs) assembly ensures zero mechanical flexure.
Key Features of Orion AG10 250/950 Carbon Astrograph OTA
Engineered for high-speed deep-space astrophotography, this 10-inch Orion Optics UK astrograph pairs certified 1/10 PV Suprax optics with an integrated 3-inch Wynn coma corrector. Its rigid carbon fiber tube and 9-point mirror cell deliver pinpoint star fields across large full-frame camera sensors.
- 250mm (9.84 inches) aperture with 950mm focal length and ultra-fast f/3.8 optical speed
- Precision-annealed Suprax primary mirror with certified 1/10 PV wavefront surface accuracy
- Hilux multi-layer reflective coatings delivering 97% total optical reflectivity
- 90mm secondary mirror obstruction (36.00% diameter, 12.96% area)
- Integrated 3-inch Wynn multi-element coma corrector for full-frame sensor coverage
- 3-inch dual-speed rack and pinion focuser with 10:1 micro-focus drive and rigid lock
- Multi-layer twill carbon fiber structural shell with matte internal anti-reflective coating
- CNC-machined 9-point primary cell suspension and heavy Losmandy-style dovetail bar
1/10 PV Suprax Primary Mirror & 3-Inch Wynn Corrector
The 1/10 PV Suprax parabolic mirror combines with an integrated 3-inch Wynn coma corrector to eliminate off-axis aberrations across full-frame sensors. With 97% Hilux coatings, this ultra-fast Orion astrograph OTA supports magnifications from 36x up to 500x.
Carbon Fiber Structural Shell & 3-Inch Precision Focuser
Eliminating tube flexure and thermal drift is crucial during long prime-focus exposures. The Orion AG10 features a twill-woven carbon fiber body shell that maintains rigid focus as outdoor temperatures drop. Its heavy-duty 3-inch rack and pinion focuser with a 10:1 micro-drive supports heavy CCD camera trains without drawtube slippage.
- Heavy-duty 3-inch rack and pinion focuser with 10:1 planetary gear reduction
- Multi-layer carbon fiber tube shell designed to eliminate temperature-induced focus shifts
- CNC-machined aluminum support rings mounted to a heavy Losmandy dovetail plate
Orion Optics UK AG10 Warranty
The Orion AG10 250/950 Carbon Astrograph OTA is manufactured in the United Kingdom and backed by a 1-year limited warranty. The complete factory package includes the 250mm Suprax Newtonian OTA, integrated 3-inch Wynn coma corrector, 3-inch dual-speed focuser, CNC tube rings, Losmandy dovetail rail, and 1/10 PV Zygo wavefront report.
Orion AG10 250/950 Carbon Astrograph OTA Specs
| Brand | Orion (Orion Optics UK) |
| Full Model Code | Orion Optics UK AG10 250/950 Advanced Carbon Fiber Newtonian Astrograph Optical Tube Assembly |
| Country of Origin | United Kingdom (Designed and Manufactured) |
| Optical Design | Newtonian Astrograph (Parabolic Primary Mirror Layout with Dedicated Multi-Element Coma Corrector) |
| Aperture | 250 mm (9.84 inches) |
| Focal Length | 950 mm |
| Focal Ratio | f/3.8 |
| Optical Coatings | Hilux Multi-Layer Reflective Coating Matrix Delivering 97% Total Reflectivity Levels |
| Glass Material | Premium Precision-Annealed Suprax Glass Substrate with Ultra-Low Expansion Index |
| Secondary Mirror Obstruction | 90 mm |
| Secondary Mirror Obstruction by Diameter | 36.00% |
| Secondary Mirror Obstruction by Area | 12.96% |
| Resolving Power | 0.46 Arcseconds (Dawes), 0.55 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.8 |
| Highest Useful Magnification | 500x |
| Lowest Useful Magnification | 36x |
| Optical Tube Material | Genuine Multi-Layer Twill Carbon Fiber Structural Shell with Matte Internal Anti-Reflective Coating |
| Focuser Style & Mechanism | 3-inch Dual-Speed Rack and Pinion Focuser with 10:1 Micro-Focus Drive and Rigid Lock Array |
| Mirror Lock Mechanism | Yes (Equipped with CNC-Machined 9-Point Primary Cell Suspension and Lock Bolt Knobs) |
| Optical Tube Dimensions | 280 mm x 900 mm |
| Optical Tube Weight | 11.00 kg (24.25 lbs) |
| Mount Attachment Type | CNC-Machined Aluminum Support Ring Set Fastened to Heavy Losmandy-Style Dovetail Bar |
| Finder Scope Specification | Not Included / Pre-drilled for Standard Finder Bracket Base Plates |
| Included Accessories | 250mm Suprax Newtonian OTA, Integrated Wynn 3-inch Coma Corrector Lens, 3-inch Dual-Speed Focuser, CNC Tube Rings, Losmandy Dovetail Rail, 1/10 PV Wavefront Surface Test Report |
| Standard Warranty | 1-Year Limited Warranty |
| Application | Ultra-precise flat-field deep-space prime focus astro-imaging, using a true 1/10 PV primary mirror core paired with an integrated corrector to satisfy full-frame sensor illumination requirements. |
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