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Shelyak Instruments

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  1. Shelyak Instruments - Encoder (128 impulses perrotation) to measure dome rotation
  2. 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

  3. Shelyak Instruments - USB2 video grabber - USB2 video grabber

    Shelyak Instruments - USB2 video grabber - USB2 video grabber

    Connect your Watec 902H2 Ultimate or Watec 120N+ video camera to your PC through your USB2 port. Ideal for autoguiding or to record your occultations for exemple!* USB 2 ... Learn More
    Model#: EL0085
    $95.77

  4. Shelyak Instruments - Prism for the Star Analyser 100
  5. 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

  6. Shelyak - Alpy Barlow Element for use with a DSLR

    Shelyak - Alpy Barlow Element for use with a DSLR

    Barlow element for Alpy 600 spectrograph

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    Model#: SE0128
    $119.00

  7. Shelyak - Alpy FC Connector

    Shelyak - Alpy FC Connector

    Optical fiber connector (FC standard) for Alpy spectroscope

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    Model#: SE0131
    $125.00

  8. Shelyak Instruments Video Grabber Kit Complete your Video Camera

    Shelyak Instruments - Video Grabber Kit - Complete your Video Camera

    This kit includes what you need to use your video camera with your computer:-12V power supply-grabber USB2 (RCA)-adaptater BNC/RCA-video cable (BNC/BNC), 15m or 20m ... Learn More
    Model#: SE0083
    $139.42

  9. 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

  10. 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

  11. Shelyak - 12/A Power Supply with 4-way Cable

    Shelyak - 12/A Power Supply with 4-way Cable

    12V/7A regulated power supply with a 4-way power cable

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    Model#: SE0133
    $190.00

  12. Shelyak Instruments - QSI

    Shelyak Instruments - QSI

    This adapter allows to mount a Canon EOS lens on a QSI 'ws' front plate factor or a SBIG ST7/8/10 with filter wheel ccd camera. This can be used for wide filed imaging or in our optical fibre fed echelle spectrography eShel system.

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    Model#: BA0023b
    $192.76

  13. Shelyak Instruments Star Analyser 100

    Shelyak Instruments - Star Analyser 100

    The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It is mounted in a standard 1.25 inch diameter threaded cell, to be compatible with most telescopes and accessories ... Learn More
    Model#: PF0003
    $209.00

  14. Shelyak Instruments - Slit with support

    Shelyak Instruments - Slit with support

    Some projects require to reduce the slit width (ex: spectro-heliography) or to enlarge it (ex: comets). Additional slit and support are available so you can change it in few seconds ... Learn More
    Model#: SE0002
    $227.24

  15. Shelyak Instruments Star Analyser 100 and M42-31.75 Adapter

    Shelyak Instruments - Star Analyser 100 and M42-31.75 Adapter

    The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It is mounted in a standard 1.25 inch diameter threaded cell, to be compatible with most telescopes and accessories. It has been designed to make the production of low resolution spectrum images of a wide range of point like astronomical objects as easy as possible.

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    Model#: PF0003+BA0016
    $239.95

  16. Shelyak Instruments - ST1603 - EOS adapter - Adapt a SBIG ST402/1603 Camera on eShel

    Shelyak Instruments - ST1603 - EOS adapter - Adapt a SBIG ST402/1603 Camera on eShel

    This adapter allows to mount a Canon EOS lens on a SBIG ST402/1603 ccd camera. This can be used for wide filed imaging or in our optical fibre fed echelle spectrography eShel system.

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    Model#: SE0053
    $268.50

  17. Shelyak Instruments - QSI Ws and ST8/10 CCD Camera EOS/M42 Adapter

    Shelyak Instruments - QSI Ws and ST8/10 CCD Camera EOS/M42 Adapter

    This adapter allows to mount a Canon EOS lens on a QSI 'ws' front plate factor or a SBIG ST7/8/10 with filter wheel ccd camera. This can be used for wide filed imaging or in our optical fibre fed echelle spectrography eShel system.

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    Model#: BA0023
    $268.50

  18. Shelyak Instruments 4-Position Slit
  19. Shelyak - Alpy guiding EP holder

    Shelyak - Alpy guiding EP holder

    This eyepiece holder replaces the standard Alpy guiding port which is normally used with a centering & guiding camera. Associated with a reticuled eyepiece (not provided) - if possible with an ... Learn More
    Model#: SE0135
    $354.70

  20. 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

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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 !