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W. M. Keck Observatory Keck I Telescope

UsedW. M. Keck ObservatoryMolecular imaging devicesNetherlands
Procurable

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Primary Mirror Diameter
10,949 mm
Primary Mirror Focal Length
17,500 mm
Number of Primary Mirror Segments
36
Segment Diameter
1,800 mm
Segment Thickness
75 mm
Availability
Procurable
Lead time
Confirmed with your quote
All 31 specifications
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Specifications 31

Brands
W. M. Keck Observatory
New/Used
Used
Primary Mirror Diameter
10,949 mm
Primary Mirror Focal Length
17,500 mm
Number of Primary Mirror Segments
36
Segment Diameter
1,800 mm
Segment Thickness
75 mm
Segment Weight
400 kg
Telescope Total Weight
300,000 kg
Dome Height
30,800 mm
Dome Width
37,000 mm
Telescope Mount Type
Altazimuth
Telescope Total Moving Weight
270,000 kg
Dome Total Moving Weight
635,000 kg
Light Collecting Area
76 m²
Focal Ratio
f/1.75
Primary Mirror Material
Zerodur low-expansion glass-ceramic
Adaptive Optics Deformable Mirror Shape Adjustment Rate
2,000 times per second
Adaptive Optics Correction Precision
4 nm
Adaptive Optics Correction Frequency
2 times per second
Adaptive Optics Correction Factor
10 to 20 times sharper images
Adaptive Optics Correction Wavelength Range
1 to 5 μm
Adaptive Optics Correction Target Percentage
70-80% of sky
Adaptive Optics Correction Without Laser Target Percentage
1% of sky
Adaptive Optics Laser Guide Star Wavelength
589 nm
Adaptive Optics Laser Guide Star Altitude
90 km
Adaptive Optics Laser Guide Star Distance from Telescope
55 miles
Adaptive Optics Laser Guide Star Artificial Star Percentage
100% of sky
Adaptive Optics Laser Guide Star Without Laser Target Percentage
1% of sky
Availability
Procurable
Lead time
Confirmed with your quote

Product description

10-m segmented primary mirror telescope with adaptive optics for high-resolution optical/infrared astronomy.

Keck I is a pioneering 10-metre optical/infrared telescope located atop Mauna Kea, Hawaii. Operational since 1993, it has been instrumental in advancing our understanding of the universe by enabling astronomers to observe faint celestial objects with unprecedented clarity.

Key features include:

  • Segmented Primary Mirror: Composed of 36 hexagonal segments, collectively forming a 10-metre mirror, allowing for exceptional light-gathering capability.
  • Adaptive Optics System: Enhances image resolution by compensating for atmospheric distortions, providing clearer and more detailed observations.
  • Versatile Instrumentation: Equipped with advanced instruments such as the Low Resolution Imaging Spectrometer (LRIS) and the Multi-Object Spectrometer For Infra-Red Exploration (MOSFIRE), facilitating a wide range of astronomical studies.

Applications span various scientific domains:

  • Exoplanet Research: Detecting and characterising planets beyond our solar system.
  • Galactic and Extragalactic Astronomy: Studying the formation and evolution of galaxies.
  • Stellar Astrophysics: Investigating the life cycles of stars and related phenomena.

Commonly utilised by:

  • University Research Departments: Conducting cutting-edge astronomical research.
  • National Space Agencies: Supporting missions and studies related to space exploration.
  • International Astronomical Consortia: Collaborating on large-scale observational projects.

Since its commissioning in 1993, Keck I remains at the forefront of astronomical research, continually contributing to significant discoveries and maintaining its relevance in the scientific community.

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We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.

We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.

Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 23 October 2026