Products

HoTech 1.25" SCA Dot Laser Collimator The HoTech 1.25" SCA Dot Laser Collimator separates itself from all other laser collimators with its innovati...

HoTech 2" Reflector Mirror Additional HoTech 2" Reflector Mirror for Advanced CT Laser Collimator. Double-pass the lasers through the entire telesc...

HoTech 2" SCA Crosshair Laser Collimator The HoTech 2" SCA Crosshair Laser Collimator separates itself from all other laser collimators with its in...

HoTech 2" SCA Dot Laser Collimator The HoTech 2" SCA Dot Laser Collimator separates itself from all other laser collimators with its innovative sel...

HoTech Advanced CT Laser Collimator for 1.25" Focuser Innovation Brings Affordable and Portable Collimation Into Reality Since the invention of the...

HoTech Advanced CT Laser Collimator for 2" Focuser Innovation Brings Affordable and Portable Collimation Into Reality Since the invention of the Ca...

Hotech Astro Aimer G3 FeatureWater Resistant for all Weather ConditionNow you can take your Astro Aimer to anywhere, including the dewiest of sta...

HoTech HyperStar Laser Collimator This patented HoTech HyperStar Laser Collimator elevates the HyperStar collimation into a new dimension. Accurate...

HoTech HyperStar Laser Collimator Upgrade Kit For users already purchased the Advanced CT Laser Collimator, you may purchase the corresponding HoTe...

HoTech SCA Field Flattener 2" High Quality Optics Designed for Refractor Telescopes The HoTech SCA Field Flattener 2" is fully multi-coated on two-...

HoTech SCA T-Adapter 1.25" The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable connection between your telescope and the ca...

HoTech SCA T-Adapter 2" The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable connection between your telescope and the camer...

Houdini 12 mm 86° Coma-Correcting Eyepiece 12 mm 86° coma-correcting eyepiece for Newtonian telescopes. Well-corrected ultra-wide 86° field with ...

Houdini 20 mm 86° Coma-Correcting Eyepiece The world's first coma-correcting eyepiece for Newtonian telescopes. Well-corrected ultra-wide 86° fie...

Houdini 30 mm 80° Coma-Correcting Eyepiece With its coma-corrected 80° field, this 30 mm eyepiece delivers the widest fully corrected true field of...

Houdini 7 mm 86° Coma-Correcting Eyepiece 7 mm 86° coma-correcting eyepiece for Newtonian telescopes. Well-corrected ultra-wide 86° field with s...

Houdini 9 mm 86° Coma-Correcting Eyepiece 9 mm 86° coma-correcting eyepiece for Newtonian telescopes. Well-corrected ultra-wide 86° field with sh...

Howie Glatter 1.25" Laser Collimator When it comes to lasers and collimation, one of the most trusted names in the business is guru Howie Glatter. ...

Howie Glatter 1.25"-2" Laser Collimator When I started manufacturing laser collimators I realized that in order to produce consistent and accurate ...

Howie Glatter 2" Laser Collimator Inside the collimator is a solid-state laser diode, which emits an intense laser beam through a front aperture, e...

Howie Glatter Concentric Circle Projection Attachment When it comes to lasers and collimation, one of the most trusted names in the business is gur...

Howie Glatter Cross-Hair & Circle Projection Attachment When it comes to lasers and collimation, one of the most trusted names in the business ...

Howie Glatter Parallizer 2"-1.25" Adapter Use with Any 2.0″ openingThere is a misconception that the problem of the cylindrical slip-fit system we ...

Howie Glatter Parallizer T-Adapter T-adapter with Howie Glatter’s Parallizer Patent alignment feature allows your image train to stay parallelThere...

Howie Glatter Square Grid Projection Attachment When it comes to lasers and collimation, one of the most trusted names in the business is guru Howi...

Howie Glatter TuBlug 1.25" Newtonian Collimator Use the Howie Glatter TuBlug 1.25" with a regular laser collimator in single beam mode to perform b...

Howie Glatter TuBlug 2" Newtonian Collimator Use the Howie Glatter TuBlug 2" with a regular laser collimator in single beam mode to perform barlowe...

Howie Flatter Variable Laser Brightness Cap Upgrade Variable Laser Brightness battery cap/switch upgrade for laser collimators. Technical Specifica...

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter The IDAS NBZ-II is a new dual band nebula booster filter - the successor to the NBZ (NBZex) ...

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

IDAS Ha & OIII Dusk to dawn (DTD) Filters A new generation filter covering multiple objects including comets, galaxies, the Milky Way, and emis...

IDAS HEUIB-II H-alpha Enhanced UV/IR Cut Filter The IDAS HEUIB-II (H-α Enhanced UV IR Blocking) filter is designed for enhanced spectrum DSLR's and...

IDAS M42 Filter Holder for RASA 8 The IDAS M42 OL7.5 frame holds the IDAS filters series, and is an frame adapter with an optical path length of 7....

IDAS M54 Filter Holder for RASA 8 The IDAS M54 OL7.5 frame holds the IDAS filters series, and is an frame adapter with an optical path length of 7....

IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII The IDAS NB1 Nebula Booster Filter is a triple line-pass filter (H-alpha, H-beta & OI...