OTA

The TV-85 has a 2" dual-speed rack and pinion focuser with a brass non-marring clamp ring to hold star diagonals and accessories in place. It comes...

The compact Sky-Watcher Esprit 80mm ED apochromatic triplet refractor has the premium high contrast/high resolution optical performance you need to...

This TeleVue TV-60 is a high performance 2.4" apochromatic doublet scope that will surprise you as much with the magnitude of its performance as it...

The Sky-Watcher f/5.3 190mm Maksutov-Newtonian optical system is a quality fast focal ratio performer that excels at deep space imaging and viewing...

If you are looking for a large fast optical system to enhance your astro-photography then the Quattro series from Sky-Watcher should fit the bill. ...

This 24" long aluminum Celestron 11" Schmidt Cassegrain optical tube weighs only 27.5 lbs., making it easy to transport. It has an 11" aperture, a ...

This TeleVue TV-76 refractor has out of this world optics in a very compact 14.5" long body. It's small enough and light enough to take anywhere wi...

This 100mm Sky-Watcher Evostar 100ED doublet apochromatic refractor is a premium scope with high contrast/high resolution performance and premium a...

This 6" SCT optical tube has advanced Starbright XLT multicoatings for Celestron's brightest images ever. The Celestron C8 was the first Schmidt-Ca...

This TeleVue NP-101is is a superb and highly portable apochromatic refractor for both visual observing and imaging . . . This updated and improved ...

This compact Takahashi refractor optical tube makes an ideal eclipse scope and a super travel and backyard scope for spur-of-the-moment observing. ...

The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) - the next advance in deep space imaging - is available now for the serious astrophotographe...

Featuring Best in Class Resolution and Professional Grade Optics Configuration 4.2mm Image Size >.65a Bandpass (Single Stack) >.45a Bandpass...

The B1200 model is the best choice for photography over the B600 4.2mm Image Size >.65a Bandpass (Single Stack) >.45a Bandpass (Double Stack...

This big 127mm (5") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at ...

The included 1.7x extender takes the FOA-60 to another level, as well as letter.  This combination is referred to as the FOA-60Q.  You will simply ...

This 102mm (4") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a su...

The Takahashi FC-100D is Takahashi's latest update to the 100mm fluorite refracotor.  The FC-100D uses the Steinheil design with the fluorite eleme...

The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) - the next advance in deep space imaging - is available now for the serious astrophotographe...

The big Sky-Watcher Esprit 150mm ED apochromatic triplet refractor with thread-on field flattener combines premium high contrast/high resolution im...

This Takahashi TSA-120 4.72" ED triplet refractor puts true-color "super apochromat" optical excellence in a portable 15.4 lb. package. This Takaha...

The new Takahashi FSQ-85ED (the "Baby Q") apochromatic ED quadruplet is a clear leader in the ranks of relatively small aperture refractors. Its fo...

This newest Version A of the Astro-Tech AT10RCT carbon fiber Serrurier truss Ritchey-Chrétien Hot Product for 2015 makes high quality large-apertur...

The Fastar-compatible EdgeHD high definition flat field optics of this big, big Celestron 14" EdgeHD optical tube give you true astrographic-qualit...