• The Orion ED80 refractor's short focal length and superb apochromatic optics make it a great telescope for astrophotography and visual use
• The included Sirius EQ-G GoTo equatorial telescope mount and tripod supports the ED80 refractor with strength to spare for accomodation of additional astrophotography gear
• The ED80 sports a multi-coated 80mm objective lens doublet of 600mm focal length (f/7.5) made with extra-low dispersion FPL-53 ED glass for great visual and astrophotographic performance
• The state-of-the-art Sirius EQ-G GoTo mount contains a computerized database of over 42,000 celestial objects to explore and photograph
• Includes 8x40 finder scope for easy aiming, 25mm Sirius Plossl 1.25" eyepiece, 1.25" prism star diagonal, telescope tube rings, Starry Night astronomy software, and more

• Superwide adapter provides widest clear aperture possible for full-frame DSLR imaging performance without vignetting
• Integrated Nikon F-mount bayonet
• 10mm optical length
• Tapered 2" barrel couples adapter to 2" telescope focuser more securely than typical T-adapters
• Glare-threaded, flat-black interior ensures excellent contrast

• Compact mini guide scope designed for use with astrophotography telescopes up to 1500mm focal length
• Mini 50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one!
• Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily
• Very small and compact autoguiding system adds hardly any weight to an astrophotography setup and can conveniently be stashed in an accessory case between uses
• Designed for use with Orion StarShoot AutoGuider (sold separately) and other similar small-chip CCD autoguiders

• Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise focusing of potential guide stars
• Designed for use with the Orion StarShoot AutoGuider and StarShoot AutoGuider Pro (both sold separately)
• Helical focuser collar will not rotate attached autoguider devices during focus adjustments
• Can also be used as a deluxe straight-through finder scope with optional 1.25" eyepieces installed (eyepieces sold separately)
• Weighs just 2 lbs., 0.1 oz.

• Heating band for use with Orion Dew Zapper Pro 4-Channel Dew Prevention System and medium aperture telescopes
• Sized to fit 150mm (6") to 203mm (8") telescope optical tubes to prevent dew accumulation from disrupting view quality
• Features 6' cable with right-angle connection for snug fit
• Made in the U.S.A.
• Requires Orion Dew Zapper Pro 4-Channel Dew Prevention System Control Module (sold separately) for operation

• Inspire young stargazers with this beautifully illustrated children's astronomy book
• Join our astronaut guides on a tour through the Solar System and beyond
• Learn about constellations and the mythology behind them
• Amaze friends and family with fun astronomy facts
• 48 pages packed with colorful illustrations, seasonal star charts, and interesting information all about space and the stars!

• An indispensable reference guide for observing the "Red Planet"
• Identifies Martian features using classical albedo and modern nomenclature
• Second Edition lists Mars opposition and observable conjunction events from 2020 through 2026
• Recommends best filters for visual observation and astrophotography of Mars
• Plastic-laminated for durability, measures 25.25" x 11" when fully unfolded, and folds up to 8.5" x 11" for easy portability

• The meticulously detailed MoonMap 260 is a must-have for any backyard astronomer
• Map identifies over 260 lunar features including craters, valleys, ancient lava flows, mountain ranges, all successful US and Soviet lunar mission landing sites, and more
• Conveniently laminated for protection against dew, dirt, and the elements
• Measures 25.25" x 11" when fully unfolded, and folds up to 8.5" x 11" for easy portability
• Includes both correct-image and reversed "mirror image" maps of the Moon for easy use with binoculars, unaided eyes, or any telescope

• An ideal reference for observing ringed Saturn and its brightest moons
• Identifies atmospheric features of Saturn using standard nomenclature
• Updated Second Edition lists Saturn oppositions and observable conjunctions from 2020 through 2026, and shows ring inclination at opposition for each year
• Recommends best filters for visual observation and astrophotography of Saturn
• Plastic-laminated for durability, measures 25.25" x 11" when fully unfolded, and folds up to 8.5" x 11" for easy portability

It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. Quality this good usually costs a lot more.

Offering a wide 52° apparent field of view, this 25 mm Orion Sirius Plossl Telescope Eyepiece provides extremely sharp images of impressively high contrast. It's ideal for all types of telescopes: reflector, refractor, and catadioptric. The Plossl 4-element design is renowned for its outstanding performance, and has become the standard by which all other telescope eyepieces are judged.

The Sirius Plossl optical system is multi-coated for excellent light transmission and bright views. Lens edges are blackened to reduce scattering of stray light and maximize contrast.

The lenses are mounted in black-anodized aluminum housings with a 1.25"-diameter chrome-plated brass barrel for durability and precision fit. The barrel is internally threaded to accept standard telescope filters. The built-in rubber eyeguard enhances viewing by helping to block out ambient light and position the eye.

This 25 mm eyepiece excels for moderately low power scanning of open star clusters and viewing of extended nebulas and larger galaxies.

• Meet the new gold standard in affordable, reliable, precision EQ mounts for amateur astronomers and astrophotographers!
• With a load capacity of 44 lbs., the Atlas II improves on the venerable Atlas EQ-G by incorporating more than a dozen enhanced features and specifications.
• Now belt driven for quieter operation and reduced backlash, other upgrades include a lifting handle, easier altitude and azimuth adjustment knobs, a USB port, thread-on power cable, camera control port, and a more precise polar scope reticle that works in northern and southern hemispheres.
• Comes with SynScan V5 GoTo hand controller with its database of >42,000 celestial objects, Tour mode for visiting the best objects on any given night, PPEC, and more.
• The mount less tripod weighs just under 40 lbs. - a beast for stability's sake but still reasonably portable, especially with the addition of the new carrying/lifting handle.