Filters

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

Shelyak Alpy & Uvex Photometric Slit 23/200  Special photometric slit for the Alpy 600 spectroscope (to be used with the guiding module) and UV...

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...

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 ...

Baader 3.5 / 4nm f/2 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader has released a whitepaper guiding you how to select t...

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...

Atik LRGB Filter Kit The Atik LRGB Filter Kit consists of Luminance, Red, Green and blue filters, that have been designed for CCD cameras to image ...

Atik EFW2.2 An upgrade on it's predecessor, The Atik EFW2.2 features a new mechanical location system for indexing the filter. This ensures that fi...

Atik 7nm Narrowband Filter Set The Atik narrow band filter are designed with a band pass of 7 nm to aid in capturing all a nebula’s photons while t...

Thousand Oaks Filter Material Bulk rolls of our silver-black polymer or SolarLite solar filter material can be used to create custom solar filters ...

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

Askar Duo-Band Narrowband Filter The Askar Duo-band narrowband, as its name suggests, has two passbands, which is quite different from those singl...

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...

Shelyak Alpy Guiding Module The spectroscope Alpy 600 can be used on table or in laboratory: in this case, just put the light source to be observed...

Shelyak Spacer for Star Analyser The Star Analyser 100 has been designed to work with the smallest commonly used sensor chips and the range of came...

Shelyak Star Analyser 200 Analyser 200 is a high efficiency 200 lines/mm transmission diffraction grating, blazed in the first order. It is mounted...

IDAS Full Spectrum (Clear) AR-coated Full Spectrum AR-coated filter Par-focal with all IDAS 48mm and 52mm, except QRO Series IDAS is a trademark o...

Celestron 1.25" UHC/LPR Filter Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wa...

Askar Color Magic SHO Narrowband 5nm Filters Set For all astrophotography enthusiasts, filter is one of the indispensable accessories to achieve a ...