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Shelyak Instruments

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  1. Shelyak Alpy 600 Spectrograph

    Shelyak - Alpy 600 Base Module Spectrograph

    ALPY is a new modular product line for spectroscopy. ALPY allows the user to add components as desired with separate spectrograph, guiding module and calibration module.

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    Model#: PF0035
    $849.00

  2. Shelyak - Alpy Barlow Lens Element

    Shelyak - Alpy Barlow Lens Element

    Required addition to the Alpy 600 Spectograph when using a DSLR ... Learn More
    Model#: SK-ALPYBARLOW
    $107.99

  3. Shelyak - Alpy Calibration Module

    Shelyak - Alpy Calibration Module

    Shelyak - Alpy calibration module is usually added in front of the guiding module and the Alpy 600 spectrograph. ... Learn More
    Model#: PF0037
    $799.00

  4. PF0002

    Shelyak - Lhires Lite

    Lhires Lite is the ideal visual spectroscope. Simple to use, robust and safe, it will quickly become your preferred companion for your public outreach.

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    Model#: PF0002
    $1,935.00

  5. Shelyak Slit LISA 19+50/75/100

    Shelyak - Slit LISA 19+50/75/100

    Additional slit for LISA low resolution spectrograph (slit model) with a 19µm hole to help adjusting your spectrograph to the best and three slits with 50, 75 and 100µm width. Choice is made by rotating the squared slit holder.

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    Model#: SE0105
    $373.00

  6. Shelyak Instruments - 2" Telescope Adapter for Lhires III

    Shelyak Instruments - 2" Telescope Adapter for Lhires III

    Lhires III is shipped with your choice of adapter (2" or SCT). If you own several instruments and want to change your adapter, additional 2" adapter is available

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    Model#: BA0001
    $90.00

  7. Shelyak Instruments - 2400 gr/mm grating module - Very High resolution

    Shelyak Instruments - 2400 gr/mm grating module - Very High resolution

    Attention: this module is delivered with Lhires III in standard!Power of Resolution R~18000. Compatible with all Lhires III models ... Learn More
    Model#: SE0005
    $529.99

  8. Shelyak Instruments 4-Position Slit
  9. Shelyak Instruments - Apogee Alta CCD adapter - CCD adapter for Lhires III

    Shelyak Instruments - Apogee Alta CCD adapter - CCD adapter for Lhires III

    This adapter works for the following models:-Apogee Altathread: M72x1backfocus: 27 ... Learn More
    Model#: SE0086
    $83.65

  10. Shelyak Instruments - C-31.75mm adapter - C-1.25" video camera adapter

    Shelyak Instruments - C-31.75mm adapter - C-1.25" video camera adapter

    Adapter for C-mount video camera (Watec) on a 1.25 inch telescope eyepiece holder or a Lhires III guiding port ... Learn More
    Model#: BA0015
    $30.30

  11. Shelyak Instruments - Calibration Unit: Thorium-Argon Lamp, High Voltage Power Supply, LEDS for flat, and PC Remote Control

    Shelyak Instruments - Calibration Unit: Thorium-Argon Lamp, High Voltage Power Supply, LEDS for flat, and PC Remote Control

    Thorium-Argon lamp with high voltage power supply for precise calibrationFlat lamp for echelle order geometry and blaze processingElectronic to control remotely calibration frame acquisition  ... Learn More
    Model#: PF0012
    $5,250.00

  12. Shelyak Instruments - complete eShel +Guiding Solution with Guiding Camera

    Shelyak Instruments - complete eShel +Guiding Solution with Guiding Camera

    Complete optical fibre fed echelle spectrograph for astronomy:-Fibre Injectino & Guiding Unit F/6 -echelle spectrograph R>10000 (including 85mm f/1).

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    Model#: ES0007
    $25,110.00

  13. Shelyak Instruments - Complete eShel system - without camera

    Shelyak Instruments - Complete eShel system - without camera

    Power of Resolution R~8000. Compatible with all Lhires III models ... Learn More
    Model#: ES0006
    $17,995.50

  14. PF0011

    Shelyak Instruments - eShel Spectrograph with Large High Effciency Grating and Canon EOS Lens

    Shelyak Instruments is your complete echelle spectroscopy solution for your astronomical projects ... Learn More
    Model#: PF0011
    $12,000.00

  15. Shelyak Instruments - Fiber Injection and Guiding Unit

    Shelyak Instruments - Fiber Injection and Guiding Unit

    Mirror with a 50µm holeF/6 input Focal RatioWith Automatic Switch for CalibrationFC Optical Fiber Connectors (object/calibration)C-Mount guiding PortWatec 120N+ Guiding CameraGrabber, video Cable   ... Learn More
    Model#: PF0008
    $3,735.00

  16. Shelyak Instruments - Focal reducer 0.63x - for Schmidt-Cassegrain telescopes

    Shelyak Instruments - Focal reducer 0.63x - for Schmidt-Cassegrain telescopes

    This reducer is made of a 3-lenses apo, coated against reflections.Mechanically, it is mounted directly behind a Schmidt-Cassegrain (2inch, threaded) ... Learn More
    Model#: EL0110
    $155.18

  17. This visual handheld spectroscope

    Shelyak Instruments - Handheld Spectroscope

    This visual handheld spectroscope is a 115mm long tube with a very precise entrance slit. ... Learn More
    Model#: SHPF0023
    $150.00

  18. Shelyak Instruments - Kit Watec 120N+ PAL Camera, 12V power supply, grabber USB, video cable 15m, BNC/RCA
  19. Shelyak Instruments - Kit Watec 120N+, 12v Power Supply, grabber USB@, 15m Video Cable, BNC/RCA
  20. Shelyak Instruments - Kit Watec 120N+, 12v Power Supply, grabber USB@, 15m Video Cable, BNC/RCA, Wireless Controller, PC Interface

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Spectrography transforms how we look at our universe. Until recent years, this technology was limited to professional observatories with... astronomical budget!

Our passion to astronomy led us to design a complete and affordable line of spectrographs, from discovery to professional and scientifical practice - including educational solution which is important to us. You will also find with us state of the art off-the-shelf working solutions including key accessories such as guiding and acquisition cameras.

You will find in this web site technical details of our products but also a large documentary section with projects to run with your spectrograph from your backyard. We hope to help you in your first step in spectroscopy... and you second one!

In our design of those instruments (which we are also users), we follow some key principles :

- Simplicity and ease of use in the field.

- Scientifical: give you spectra to serve science.

- Technical quality of achieved results.

- Univeral, working with a wide range of standard equipment, even modest ones.

- Responsiveness to your needs.

- Instruments accessible to all...... and always the pleasure of observing and discovery !

Stars send us a light rich of information, let your instruments decode it. Applications are infinite, observing programs are extending in the scientifical community : you won't see the stars like before !