ASA UWF300 f1.3 Ultra Wide Field telescope

One of the fastest telescopes of the world!

The UWF300 f1.3. telescope offers a groundbreaking optical design and is ideal for short exposure, high SNR wide field surveys. The main mirror works with absolute encoder feedback and can be collimated fully electronic for an easy and fast remote collimation.

This very fast 300mm telescope is also available as a package in combination with a ASA DDM100 Direct Drive mount!

FROM € 68,000.- net

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ASA UWF300 f1.3 Ultra Wide Field telescopeOne of the fastest telescopes of the world!

Main Facts

Optical design
Ultra Wide Field, prime corrector
Linear central obstruction
Focal length
Focal ratio system
Clear Aperture / Focal Ratio Primary Mirror
300mm (11.8 inch) / f1.3
Image field
52mm (7.58 degrees)
Mirror material
Fused silica
Image Quality FWHM
<7um RMS
Surface quality
>80 strehl
1.3nm RMS / <0.7nm Ra
Al+SiO2 >96%
Back Focus from flange
Weight tube
30kg (66lbs) (no camera or filter)

UWF300 Optical Layout

The UWF300 uses a prime focus configuration. The main mirror is a high order asphere and in the prime focus we use a 5 Lens corrector to correct any field aberrations in a wavelength range from 400nm to 700nm.

With the ultra short focal length and wide field it is the ideal telescope for fast sky surveys searching for brighter objects. The resolution with modern small pixel CMOS is nevertheless surprisingly high even with such a short focal length. It can also be arranged in arrays on our DDM mounts.

Technical Details

01 Electronics

Our closed loop direct drive systems, sensor technology and observatory safety modules play a major role in achieving optimum results. All moving accessory components are equipped with high-resolution encoders and closed-loop feedback systems. We provide event timer modules, and customer updatable firmware.

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02 Optic

Only the best for your telescope!

We believe that the most important part in producing optics is the testing. So ASA decided that we invest in the best test equipment available, remove any measuring error as good as possible and use real values in our specifications.

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03 Technology

Our mounts are manufactured with the lastest CNC technology.

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04 Software

Platform independent control software.

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ASA Services

Services for your telescope. Competitively priced for value with a complete ASA telescope and mount package!

ASA Accessoires

Accessoires for your telescope. Best price for value with a complete ASA telescope and mount package!

ASA In-house production

The competent partner that provides you with the whole package – ASA, guarantees the highest standard! Interferometric metrology, CNC machining, meter class optics, light weight mirrors, telescope systems, ground stations, assembly, factory testing and commissioning, everything is done by ASA itself.

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