1067 results for "Orion telescope" between $10.00 and $800.00

Hinged, cast-aluminum rings with felt lining. Designed for use with Orion SkyView Pro and Atlas equatorial mounts; and may fit some other mounts as well. One ring in each set has a 1/4"-20 piggyback camera adapter, the other has a threaded 1/4"-20 hole. Sold in sets of two rings. Mounting bolts and washers are included. Inside diameter (i.d.) is 144mm. One-year limited warranty.

The Monstrous 36" aperture parabolic primary mirror (914mm) collects over 1000 square inches of light - four times the light of "ordinary" 18-inch telescopes!. Premium quality f/4 optical system gives a whopping 144" (3658mm) focal length to deliver exceptionally sharp, bright images with generous image scale. Enhanced (96%) coatings on the primary and secondary maximize light throughput. Low-expansion borosilicate glass molded in a honeycomb mirror blank design make it exceptionally strong, yet...

Additional Details Weight: 13 Length: 18.0 in. * Please note: this item is excluded from storewide promotions. The Orion StarBlast 4.5 Astro Telescope is a professionally designed machine for beginning stargazers. With its 18" tube and 114mm parabolic mirror, finding celestial beings is simple. The StarBlast 4.5 Orion Telescope comes fully assembled, and the EZ Finder II red dot finder scope takes the guesswork out of positioning. Ships to the U.S. including Alaska, Hawaii, and Puerto Rico. Orion...

These anodized, machined aluminum tubes provide extra focuser back travel sometimes needed to achieve focus with certain eyepiece/telescope combinations. More back travel is often needed for short-range terrestrial viewing or with use of a field flattener, coma corrector, or focal reducer lens. We offer 1.25" and 2" models, which fit 1.25" eyepieces and 2" eyepieces, respectively. Each adds 2" of length extension. Each also has two locking thumbscrews and is threaded for filters.

Silky smooth cast and machined aluminum 2 inch diameter Crayford style focuser: - 35 millimeters of focus travel, - tension adjustments, - drawtube position lock, - compression ring for clamping eyepiece in place without marring it's barrel. Fine Annealed Pyrex Primary Mirror for better thermal stability. Fine Annealed Pyrex Secondary Mirror. Adjustable Primary Mirror Cell. Adjustable Secondary Mirror Cell. Durable enhanced aluminized mirror coatings. Optics very smoothly hand finished. ...

Two eyes are better than one! A binocular-viewer lets you use both eyes to scan the skies through a telescope, greatly enhancing ability to discern fine details and to add a sense of depth in views of the cosmos. Includes thread-on 2x Barlow lens lets you choose two levels of magnification and increases versatility. Hinged aluminum housing contains fully multi-coated BAK-4 prisms for high light transmission and optimized view contrast. Reflectors and some short-focal length refractor telescopes...

Now you can use the SkyLine Green Laser Pointer (GLP) to aim your telescope! This dual-ring ABS bracket holds the GLP and mounts like a standard finder scope. The bracket's dovetail foot fits the finder scope base of most Orion telescopes (and the #7214 finder base accessory). The spring-loaded X-Y adjustment thumbscrews enable quick alignment of the GLP with the telescope.

The XTg Dobsonian GoTo system can locate 42,900 celestial objects from its database and track them with accurate motorized motion as they appear to migrate across the night sky. XTg Dobsonian telescopes�available in�8", 10", and 12" apertures. 8" XTg: 1200mm focal length (f/5.9). 10" XTg: 1200mm focal length (f/4.7). 12" XTg: 1500mm focal length (f/4.9). All XTg Dobsonians include a deluxe assortment of accessories:. 28mm DeepView 2" eyepiece. 12.5mm Illuminated Reticle eyepiece (for convenient...

These cast-aluminum rings feature quick-release, hinged clamp knobs and felt lining. They are designed for use with the Orion EQ-1, EQ-2, EQ-3, or AZ-3 mounts, and may fit some other mounts as well. One of the two rings in each set has a 1/4"-20 piggyback camera adapter on it, the other has a threaded 1/4"-20 hole. Sold in sets of two rings. Mounting bolts and washers are included. Inside diameter (i.d.) is 140mm/5.5". One-year limited warranty.

This bantam-sized telescope outfit lets you explore the heavens from anywhere your travels take you. The low-profile mount features three thread-on 7-3/4" legs that make it ideal for use on any raised surface-car trunk, picnic table, you name it! And it won't hog all the closet space on cloudy nights. The Apex 90mm tube assembly couples firmly to the mount with the included 1/4"-20 adapter. During daylight hours you can quickly remove the scope and mount it on a camera tripod for land viewing. The...

The XTg Dobsonian GoTo system can locate 42,900 celestial objects from its database and track them with accurate motorized motion as they appear to migrate across the night sky. XTg Dobsonian telescopes available in 8", 10", and 12" apertures. 8" XTg: 1200mm focal length (f/5.9). 10" XTg: 1200mm focal length (f/4.7). 12" XTg: 1500mm focal length (f/4.9). All XTg Dobsonians include a deluxe assortment of accessories:. 8mm DeepView 2" eyepiece. 12.5mm Illuminated Reticle eyepiece (for convenient...

The Orion SkyQuest XT4.5's Newtonian reflector tube assembly features a big 4.5"(114mm) light-gathering mirror housed in an enameled steel tube. This mirror pulls in 260% more starlight than the lens of a 60mm refractor (the classic beginner telescope), bringing hundreds more objects boldly into view! Think of it: in a given evening you could survey the Moon's myriad craters, then study Jupiter's cloud bands, then star-hop among the Milky Way's diverse star clusters and nebulas. The SkyQuest XT4...

Although perfect for beginning stargazers, this telescope is not a toy! The Orion SkyScanner 100mm TableTop Reflector is just the right size - large enough to see night sky objects yet compact enough to sit on a desk. The wide field of vision is ideal for observing detailed moon craters and even the spectacular rings of Saturn without having to leave town. Under darker skies, the SkySkanner has enough light-gathering power to reveal objects as deep as the Milky Way. Complete with 100mm parabolic...

Provides threaded post for attaching instruments equipped with a 1/4"-20 threaded socket.

The ST80-A (for "Astronomy") is an upgraded version of our popular ShortTube 80. Now improved with fully multi-coated optics and a soft carrying case, the "little scope that could" is better than ever! Its 80mm objective lens and short 400mm (f/5.0) focal length are perfect for scanning the heavens. Multi-coatings on all air-to-glass surfaces ensure maximum light transmission for bold image fidelity. You'll see dramatic star clusters and nebulas as well as sharp lunar surface detail. The ST80-A includes...

Orion Nebula Hubble Space Telescope Image 11x17 Poster

Go after even the most elusive and faint deep-sky targets with the Orion 10" f/8.0 Ritchey-Chretien Astrograph. Featuring virtually coma-free optics for superb imaging performance, the Orion 10" f/8.0 Ritchey-Chretien Astrograph boasts a plethora of deluxe features. Its precision hyperbolic primary and secondary mirrors are made of highest quality quartz optical glass with enhanced reflectivity (94-96%) aluminum coatings. The machined aluminum, dual-speed (10:1) 3" modified Crayford focuser with...