Products

Author: Robert Michael PylePaperback: 280 pagesThis essential handbook covers where to find butterflies; how to observe and photograph them; their ...

3D printed top handle for the HAC125 DX.  The handle can accept common Synta style brackets for accessories such as guide scopes and the ASIAIR.  I...

Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11". The HD Pro provides a heavy duty, stable ...

Sky-Watcher’s Heliostar H-alpha Solar Telescopes offer a dedicated solar viewing experience to the lineup. Hydrogen-alpha solar observing allows yo...

Heliostar OTA Double stack performance, single stack price 76mm aperture, 630mm focal length, f/8.3 Official solar telescope of the Charlie Bates ...

Double stack performance, single stack price 76mm aperture 630mm focal length f/8.3 Official solar telescope of the Charlie Bates Solar Astronomy ...

Meticulous Mid-Range Machinery. Powerful. Compact. Precise. Dual-axis belt drives deliver whisper-quiet, extremely accurate movement for both axes ...

An international fleet of unmanned lunar probes sent by the United States, Russia, Europe, India, Japan, and China has filled many gaps in our know...

Additonal 1.25" Reflector Mirror for Advanced CT Laser Collimator Features: Precision retro reflector mirror for Advanced CT Laser Collimtor - Dou...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

New! 14" HyperStar Laser Collimator Package includes:1 x Advanced CT Laser Collimator1 x 14" HyperStar reflector mirror adapter1 x High accuracy du...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

FeaturePackage includes:1 x Advanced CT Laser Collimator1 x HyperStar reflector mirror adapter for 9.25" and 11" model1 x High accuracy dual-sided ...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Collimates 8" Schmidt-Cassegrain Telescopes with HyperStar Lens installed. Package Includes: Advanced CT Laser Collimator 8" HyperStar Reflector M...

High Quality Optics Designed for Refractor Telescopes This field flattener is fully multi-coated on two-element lens allowing the most efficient li...

Announcing the Self-Centering Camera T-Adapter for Astrophotographers.The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable c...

2" SCA T-Adapter center and square loads perfectly in your visual back and provides a secure adaption for the best imaging result Announcing the S...

Get ready to blast off! From Moon rockets to Martian rovers, satellites to space stations, this book is your guide to the ultimate form of transpor...

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