Products
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In Stock
Eclipsmart Solar Filter For 6” Schmidt-Cassegrain Telescopes
Celestron$59.95SOLAR SAFE TELESCOPE FILTER: Filter conforms to the ISO 12312-2:2015(E) international safety standard for filters directly viewing the Sun. The ...
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In Stock
Eclipsmart Solar Filter For 8” Schmidt-Cassegrain Telescopes
Celestron$74.95SOLAR SAFE TELESCOPE FILTER: Filter conforms to the ISO 12312-2:2015(E) international safety standard for filters directly viewing the Sun. The ...
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EdgeHD 11" Optical Tube Assembly (CGE Dovetail)
CelestronOriginal price $4,499.00Current price $3,999.00Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...
View full detailsOriginal price $4,499.00Current price $3,999.00 -
EdgeHD 14" Optical Tube Assembly (CGE Dovetail)
CelestronOriginal price $7,699.00Current price $6,899.00Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...
View full detailsOriginal price $7,699.00Current price $6,899.00 -
EdgeHD 8" Optical Tube Assembly (CGE Dovetail)
CelestronOriginal price $1,699.00Current price $1,499.00The EdgeHD optical system takes all of the compact power popularized by the SCT and combines it with an improved high definition optical system for...
View full detailsOriginal price $1,699.00Current price $1,499.00 -
EdgeHD 9.25" Optical Tube Assembly (CGE Dovetail)
CelestronOriginal price $3,099.00Current price $2,799.00Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...
View full detailsOriginal price $3,099.00Current price $2,799.00 -
Elements: A Visual Exploration of Every Known Atom in the Universe book
Black Dog & Leventhal$19.99With more than 1 million copies sold worldwide, The Elements is the most entertaining, comprehensive, and visually arresting book on all 118 elemen...
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Emerald 16mm 82°AFOV
Sky-Watcher$295.00ANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of v...
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Emerald 22mm 82°AFOV
Sky-Watcher$310.00ANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of v...
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Emerald 9mm 82°AFOV
Sky-Watcher$215.00PANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of ...
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End Cap 3.0" Feather Touch Focusers
Starlight Instruments$150.00This 3.0" threaded End Cap fits our Feather Touch 3" Focusers and has a female thread dimension of M68x1 in which allows the attachment of M68x1 ma...
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End Cap 3.5" for SkyWatcher M65 Male Threaded Accessories
Starlight Instruments$160.00This 3.5″ End Cap fits the 3.5″ Feather Touch focusers for M65x1 SkyWatcher male threaded accessories
$160.00 -
In Stock EQ-AL55i Pier Extension
Sky-Watcher$100.00Pier extension for the EQ-AL 55i mount. This accessory raises the mount head by 8.5 inches and increases clearance for the counterweight bar and us...
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EQ6 to Wave Steel Tripod
Sky-Watcher$235.002-inch rolled steel tripod legs EQ6 style heavy duty tripod Designed for Sky-Watcher Wave mounts and Wave Pier Extensions Also compatible with NE...
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EQ6R-Pro Pier Adapter Kit
Starizonafrom $189.00It has a cylindrical recess to accept the mounting post on the bottom of the EQ6R-Pro mount head. An included bolt is used to secure the mount to t...
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Equatorial Planisphere - Guide to the Stars
Ken Press$16.95Until now, most planispheres were designed for either the northern or southern hemispheres exclusively. Now, this star chart works for those living...
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Esprit 100EDX Flattener
Sky-Watcher$235.00Compatible with Esprit 100EDX • 44mm image circle Designed specifically for the Sky-Watcher Esprit 100EDX, this flattener corrects optical aberrati...
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Esprit 100EDX Super APO Triplet
Sky-Watcher$2,095.00Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...
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Esprit 120EDX flattener
Sky-Watcher$320.00Compatible with Esprit 120EDX • 44mm image circleDesigned specifically for the Sky-Watcher Esprit 120EDX, this flattener corrects optical aberratio...
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Esprit 120EDX Super APO Triplet
Sky-Watcher$3,295.00Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...
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Esprit 150EDX flattener
Sky-Watcher$395.00Compatible with Esprit 150EDX • 44mm image circleDesigned specifically for the Sky-Watcher Esprit 150EDX, this flattener corrects optical aberratio...
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Esprit 150EDX Super APO Triplet
Sky-Watcher$4,795.00Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performance...
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Esprit 70EDX Flattener
Sky-Watcher$220.001.0x flattener Compatible with Esprit 70EDX and Evostar 100EDX 44mm image circle Designed for the Sky-Watcher Esprit Esprit 70EDX and the Evostar...
View full details$220.00Preorder
