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Takahashi Symmetric tube ring 125S-GT  Takahashi offers alternative tube holders for some of its telescopes. The symmetrical cradle is a monobloc c...

Takahashi Tube ring 125S  Cradles are the standard tube rings for fixing Takahashi optical tube assemblies to the mounts. Footprints of the cradles...

Takahashi Symmetric tube ring 156S-GT  Takahashi offers alternative tube holders for some of its telescopes. The symmetrical cradle is a monobloc c...

Takahashi Tube ring 156S  Cradles are the standard tube rings for fixing Takahashi optical tube assemblies to the mounts. Footprints of the cradles...

Takahashi tube ring 125S with balancing plate The Takahashi 125S with Plate tube holder is a clam shell tubeholder for use with the FSQ-106ED serie...

Takahashi tube rings 125WM  Tube rings allow optical tubes and accessories to be mounted parallel to the main instrument. They consist of a pair of...

Takahashi 645 0.72x Reducer QE  The Takahashi 645 0.7x Reducer QE for FSQ-130 reduces the focal length of the FSQ-130ED telescope by 0.7X, increasi...

Takahashi Tube ring 95S with balancing plate  Cradles are the standard tube rings for fixing Takahashi optical tube assemblies to the mounts. Footp...

Takahashi Tube ring 95S-GT  Takahashi offers alternative tube holders for some of its telescopes. The symmetrical cradle is a monobloc cradle to wh...

Takahashi Tube ring 95S  Cradles are the standard tube rings for fixing Takahashi optical tube assemblies to the mounts. Footprints of the cradles ...

Takahashi GT Tube ring FC-100DL  Takahashi offers alternative tube holders for some of its telescopes. The symmetrical cradle is a monobloc cradle ...

Takahashi Tube ring 68S-GT  Takahashi offers alternative tube holders for some of its telescopes. The symmetrical cradle is a monobloc cradle to wh...

Takahashi 645 Reducer-CA 0.72X The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the s...

Takahashi 0.73X Reducer CR The Takahashi Reducer CR 0.73X is a is compatible with the Mewlon 250 CRS and FSQ-106EDX4 telescopes, providing a f...

Takahashi F/3 0.6X Reducer for FSQ-106 & FSQ-130 The Takahashi F/3 0.6X Reducer for FSQ-106 & FSQ-130 converts the FSQ-106 and -130 refract...

Takahashi 645 Reducer-QE  0.72x  The focal reducer for medium-format imaging with the FSQ-106EDX4 refractor   The 645RD QE0.72x focal reducer is a...

Takahashi Reducer-QE 0.73x The Takahashi Reducer-QE 0.73x reduces the focal length of the FSQ-106ED and FSQ-85ED telescopes by 0.73X, increasing th...

Takahashi 76D 0.73x Reducer   The classical focal reducer of Takahashi FC-76D and FC-100D refractors   The 76D RD reducer is dedicated to Takahashi...

Takahashi Power Supply 115V AC to 12V DC  12V Power Supply for the Takahashi Telescope Mounts. Mounted inside a Seahorse waterproof hardcase. In th...

Astronomik OIII 12nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA ...

Astronomik OIII 12nm CCD Filter This Astronomik OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution...

Astronomik Red Type 2c Filter Our filter set especially designed for astrophotography with CCD cameras. These filters provide a natural color repro...

PlaneWave 2″ Drawtube Spacer (for 2″ visual and imaging accessories) A CCD Spacer that accepts a standard 2″ barrel. These come in lengths of 3.8″,...

PlaneWave Visual Adapter CDK20/24 Visual Adapter, 3.5″ to 2″ (for CDK20/24): This adapter slides into the optional 3.5″ Hedrick Focuser. The adapte...

PlaneWave Visual Adapter CDK17 This adapter slides into the Hedrick Focuser. The adapter steps the 3″ opening down to 2″ for standard 2″ accessorie...

PlaneWave Visual Adapter CDK12.5 Visual Adapter, 2.75 – 2″ – This adapter slides into the Hedrick Focuser that comes standard on the CDK12.5. The a...

PlaneWave IRF90 Visual Adapter 2″ The IRF90 to 2″ Visual Accessory Adapter allows you to attach a 2″ mirror diagonal and eyepiece to your IRF90 rot...

PlaneWave Visual Adapter CDK 14 This adapter slides into the Hedrick Focuser. The adapter steps the 3″ opening down to 2″ for standard 2″ accessori...

Succesfully Starting in Astronomical Spectroscopy – A Practical Guide. This book has been written by François Cochard, general manager of Shelyak I...

Astronomical Spectrography for Amateurs 2003 The french national research organization (CNRS) organized the first Pro/Am astrophysics school in May...

Shelyak Bulb for Flats Spare bulb, alone.  In the Box Shelyak Bulb for Flats Manual & Warranty Shelyak 1-Year Warranty

Shelyak Focal Reducer 0.63x  This reducer is made of a 3-lenses apo, coated against reflections. Mechanically, it is mounted directly behind a ...

Shelyak M42 / EOS Ring  M42 x 0.75 thread / EOS ring.It allows to mount a Canon EOS Digital SLR on a LISA or Lhires III spectroscope. In the Box Sh...

Shelyak C/CS Adapter  5mm extender to use a C-mount lens on a CS-mount camera..Often used with M42/C ring. In the Box Shelyak C/CS Adapter Manual &...

Shelyak M42 to C Mount adapter It is used with classical CCD camera with M42 thread – such as Atik Titan to connect to Lhires III guiding, LISA gui...

Shelyak T-Adapter Mount your eShel fibre injection system , ALPY 600 or LISA spectrograph on a Schmidt-Cassegrain Telescope (typically with a 0.63x...