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With our continuous developments in optics we have now reached a position where we can offer with 100% reliability, optics which we believe are the best availabe anywhere in the world. Our Ultra range has Strehl values typically around 99% with RMS values of the order of 0.02PV. Coupled with a guaranteed PV wavefront error so small, it often is less than 1/10PV wavefront.

These optics are expensive, they are also not recommended for just occassional star gazing. Their incredible accuracies and reflective characteristics lend themselves to the realms of optics we have supplied to:

BAe Systems
Zygo Inc.
M.O.D.
Atomic Energy Nuclear Fusion Research Laboratories, Culham
GCHQ Cheltenham
etc., etc.

Each is Supplied with full Zygo interferometer report

ALL Ultra Grade Optics have Hilux Enhanced Coatings as standard
Set comprises Primary Mirror and Secondary Mirror

Please Note: All prices shown EXCLUDE VAT

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150mm (6 inch) f5 set 750mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 50mm. Price £250.00

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150mm (6 inch) f8 set 1200mm focus. Ultra Grade with
Hilux Enhanced Coating .Secondary: minor Axis 36mm. Price £250.00

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200mm (8 inch) f4.5 set 900mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 63mm. Price £430.00

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200mm (8 inch) f6 set 1200mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 50mm. Price £420.00

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250mm (10 inch) f4.8 set 1200mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: mirror Axis 63mm. Price £575.00

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250mm (10 inch) f6.3 set 1600mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 50mm. Price £575.00

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300mm (12 inch) f4 set 1200mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 75mm. Price £875.00

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300mm (12 inch) f5.3 set 1600mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: mirror Axis 63mm. Price £850.00

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350mm (14 inch) f4.6 set 1600mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: mirror Axis 75mm.Price £1385.00

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400mm (16 inch) f4 set 1600mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 82mm. Price £2070.00

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500mm (20 inch) f4 set 2000mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 100mm. Price £3075.00

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600mm (24 inch) f4 set 2400mm focus. Ultra Grade with
Hilux Enhanced Coating. Secondary: minor Axis 130mm. Price £5495.00

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