Filters

Shelyak Thorium-Argon Bulb  Spare bulb, alone. Requires a High Voltage power supply with HCL lamp cable. This bulb is included in the eShel calib...

Shelyak Calibration Fiber 200µm Calibration optical fiber (core diameter: 200µm) for eShel optical fiber spectroscope and in particular for the spe...

Shelyak Object fiber 50µm  Object optical fiber (core diameter: 50µm) for eShel optical fiber spectroscope and in particular spectrocope eShel. Lin...

Shelyak ESHEL Collimator module upgrade kit To extend the range of the spectral domain achievable to the Hδ line (4101Å). This upgrade kit for th...

Shelyak Order filter kit 530 nm for UVEX  530 nm order filter kit for UVEX Order filter for UVEX intended to remove second order  from the spectrum...

Shelyak High Performance Slit 23µm  High performance 23µm slit compatible with ALPY 600 and UVEX spectrographs This 23µm “high performance” slit ...

Shelyak Photometric Slit for Lisa & LHIRES III Set of additional slits for LISA or Lhires III spectroscopes with four “dual slits” specially de...

Shelyak Slit set for LISA & LHIRES III   Set (19/50/75/100 µm) of wide slits for LISA or Lhires III spectroscopes. To be combined with slit hol...

Shelyak Standard Slit for LHIRES III / LISA  Standard slits set included in Lhires III and LISA spectroscopes.With an additional set, you can make ...

Shelyak Backfocus for LHIRES III and LISA Spectroscope Adapter to mount a CCD acquisition camera with backfocus on a LHIRE III or a LISA spectrosco...

Shelyak Slit holder for LHIRES III  This slit holder (dedicated to the Lhires III) makes possible to use other slits than the standard one, and t...

Shelyak Tripod Adapter  This accessory allows you to mount your Lhires III on a photographic tripod. Fix it under the Lhires III (standard Kodak ...

Shelyak LHIRES III Front Plate M42 X 0.75  Front plate for Lhires III with a T-thread (M42x0.75); replaces the existing Lhires III front plate with...

Shelyak adapter 2 inches  Dedicated to Lhires III spectroscope. It allows to install the Lhires III in the 2″ eye-piece holder of your telescope....

Shelyak Slit holder for LISA See a more detailed description of LISA with several applications links In the Box Shelyak Slit holder for LISA Manual...

Shelyak LISA Calibration Module This automatic calibration module is a perfect addition to your LISA spectroscope, specially if you plan remote o...

Shelyak Near Infrared Kit  Kit to transform your slit LISA from the Visible range (400-700 nm) to the near Infra-Red range (650-1000nm). In the Box...

Shelyak – F/9 Injection and Guiding Unit This device increases the compatibility of spectroscope eShel to telescopes F/9. The fiber inj...

Shelyak – F/6 50 µm Injection Unit  The fiber injection and guiding unit It makes it possible to inject the flux of the target into the optical fib...

Shelyak eShel Calibration unit The calibration unit :  It delivers the various sources of light to calibrate the spectrum :     Thorium-Argon la...

Shelyak Full Eshel II System  Complete optical fibre fed echelle spectroscope for astronomy. Fitted with a second generation collimator, it takes y...

Shelyak UVEX Motorized  The UVEX is a Czerny-Turner spectrograph called “crossed” and optimized for wavelengths ranging from near UV (<350nm) to...

Shelyak UVEX Spectrograph UVEX is a cross Czerny-Turner  spectrograph optimized for wavelengths from near UV (<400nm) to near IR (1µm). We recom...

Shelyak Eyepiece holder for ALPY Guiding ! Only works with the Alpy guiding module. ! Alpy 600 requires a guiding module if you use it with your ...

Shelyak SA200 Mounting Kit  This mounting kit works for the Star Analyser 200 and other 1.25″ filter cells. Plates can be easily trimmed to size wi...

Shelyak Prism 3.8°  This 3.8° prism placed in front of your Star Analyser does improve resolution up to 130. This model is mounted on a r...

SVBONY SV405CC Cooled Color Camera for Deep Space Astrophotography IMX294 Sv405cc with UV/IR Cut filter can achieve pure color shooting effect of ...

Baader 3.5 / 4nm f/3 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader H-alpha / O-III / S-II f / 3 Ultra-Highspeed Filter ...

Kowa TP-95FT protective filter Compatiable products: Kowa TSN-883 spotting scopeKowa TSN-884 spotting scopeKowa telephoto lensHowa High Lander bin...

Kowa TP-105FT protective filter Compatiable products: Kowa TSN-99 PROMAINR The Kowa TP-105FT filter helps to protect the pure fluorite crystal obj...

Antlia Photometric Sloan Filters The Sloan Digital Sky Survery (SDSS) photometric system is the most common filter set used by observatory today. A...

IDAS GNB Galaxy & Nebula Filters Capturing Ha & OIII emission lines as well as the galaxy’s broadband signal in NIR at same time Availabl...

Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. E...

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H...

Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized h...