Orion Optics UK

Optimized Dall-Kirkham (ODK) Optical Design Corrected, Coma-Free Flat Field for Imaging Open Truss Tube for Thermal Stability and Rigidity Hand-Fi...

500mm truss-tube Dall-Kirkham f/6.8 carbon-fibre-sandwich optics Open truss for shorter packed length Built to order in the UK Description Spec...

Optimized Dall-Kirkham (ODK) Optical Design Open Truss Tube Framework Primary and Secondary Mirrors by Orion Optics UK Engineered for Astrophotogr...

Largest model in the AG Astrograph range Carbon-fibre-sandwich tube CERES 3" (76.2mm) focuser standard Built to order in the UK Description Spe...

400mm (16") Optimized Dall-Kirkham Optics 2720mm Focal Length (f/6.8) >52mm Fully Corrected and Illuminated Image Circle 2.4µm On-Axis Spot Siz...

400mm (16") Primary Mirror Diameter 2720mm Focal Length at f/6.8 Corrected Dall-Kirkham Optical Design >52mm Flat Field Image Circle Carbon Fib...

350mm (14") Optimized Dall-Kirkham Optics 2380mm Focal Length (f/6.8) >52mm Fully Illuminated and Corrected Image Circle 2.1µm On-Axis Spot Siz...

400mm (16") Primary Mirror Diameter 1520mm Focal Length at a fast f/3.8 Focal Ratio Corrected Flat Field Size >50mm Carbon Fibre Sandwich Tube ...

Primary Mirror Diameter: 350mm Focal Ratio: f/6.8 Corrected Image Circle: >52mm Tube Material: Carbon Fibre Sandwich Back Focus: 210mm Tu...

350mm Primary Mirror Diameter 1330mm Focal Length (f/3.8) >50mm Corrected Flat Field Carbon Fibre Sandwich Tube Construction 3.4µm On-Axis Spot...

300mm (12") Optimized Dall-Kirkham Astrograph 2040mm Focal Length (f/6.8) >52mm Flat, Corrected Image Circle 1.8µm On-Axis Spot Size Carbon Fib...

200mm (8") Maksutov-Cassegrain Optics 4000mm Focal Length f/20 Focal Ratio Guaranteed 1/8 PV Wavefront Accuracy Vented Carbon Fibre Tube Construct...

300mm (12") Optimised Dall-Kirkham Optics 2040mm Focal Length at a fast f/6.8 Focal Ratio Covers a greater than 52mm flat imaging circle Delivers ...

300mm (12") Primary Mirror 1140mm Focal Length Fast f/3.8 Focal Ratio Carbon Fibre Sandwich Tube Construction >50mm Corrected Flat Field 3" Cer...

250mm (10-inch) Optimized Dall-Kirkham optics 1700mm focal length at a native f/6.8 focal ratio 50mm fully corrected, flat image circle for large ...

500mm (20") primary mirror for exceptional light-gathering Fast f/4 focal ratio, ideal for deep-sky imaging Standard 1/6 PV wavefront optics, hand...

400mm (16") Aperture 1600mm Focal Length (f/4) 1/10 PV Wavefront Standard Optics Carbon Fiber Sandwich Tube Construction 36kg Optical Tube Weight ...

250mm (10-inch) Primary Mirror 950mm Focal Length Extremely Fast f/3.8 Focal Ratio 50mm Fully Corrected Flat Image Field Carbon Fibre Sandwich Tub...

350mm (14") Aperture 1600mm Focal Length (f/4.6) Guaranteed 1/10 PV Wavefront Optics Carbon Fibre Sandwich Tube Construction 26kg Optical Tube Wei...

250mm (10") Corrected Dall-Kirkham Optics 1700mm Focal Length at f/6.8 50mm Fully Corrected Flat Image Circle 3.5μm On-Axis Spot Size Carbon Fibre...

200mm (8-inch) Primary Mirror 760mm Focal Length Extremely Fast f/3.8 Focal Ratio 45mm Corrected Flat Field Circle Carbon Fibre Sandwich Tube Cons...

400mm (16") primary mirror diameter 1600mm focal length at a fast f/4 focal ratio Standard 1/6 PV wavefront optics, Zygo-certified 9-point CNC-mac...

400mm (16") Primary Mirror 1600mm Focal Length Fast f/4 Focal Ratio Standard 1/6 PV Wavefront Optics with Zygo Report CNC-Machined 9-Point Mirror ...

300mm (12") Aperture 1590mm Focal Length, f/5.3 Focal Ratio Standard 1/10 PV Wavefront Optics Carbon Fibre Sandwich Tube Construction 2" Focuser w...