Archive for Astronomy
White TwinStar 90mm Cassegrain Telescope
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- 90mm fully coated, achromatic objective lens
- 1200mm focal length
- Kellner 25mm Eyepiece; (1) Kellner 9mm Eyepiece included
- Altazimuth Mount (Point & Shoot) — Full Size Tripod
- 45 degree angle prism — images are seen right-side up
Product Description
This telescope has a fantastic folding optical assembly that uses a combination of mirrors and lenses to pack an incredible 1200mm focal length in a compact 12.5 inch optical assembly. As a result, this telescope is ideal for both day and night viewing. Images in this telescope are shown right-side up. With a powerful magnification 155x when using the 9mm eyepiece, this telescope is great for bird watching or as a wildlife spotting scope. For backyard astronomy, the… More >>
Silver TwinStar 90mm Cassegrain Telescope
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- 90mm fully coated, achromatic objective lens
- 1200mm focal length
- Kellner 25mm Eyepiece; (1) Kellner 9mm Eyepiece included
- Altazimuth Mount (Point & Shoot) — Full Size Tripod
- 45 degree angle prism — images are seen right-side up
Product Description
This telescope has a fantastic folding optical assembly that uses a combination of mirrors and lenses to pack an incredible 1200mm focal length in a compact 12.5 inch optical assembly. As a result, this telescope is ideal for both day and night viewing. Images in this telescope are shown right-side up. With a powerful magnification 155x when using the 9mm eyepiece, this telescope is great for bird watching or as a wildlife spotting scope. For backyard astronomy, the… More >>
TwinStar Blue 6″ iOptron Computerized GPS Equatorial Reflector Telescope
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- 150mm (6 inch) objective mirror, 1400mm overall focal length
- Short tube design yields maximum 400x magnification
- 25mm & 10mm Plossl 1.25″ Diameter Eyepieces Included
- iOptron SmartStar-A Computer Controlled GPS Equatorial Mount
- iOptron GoToNova Controller with 80,000 Celestial Object Database
Product Description
This telescope is ideal for backyard astronomy enthusiasts or older children with space on the brain. Simply turn the telescope on, choose the object you want to see on the handheld controller and the computerized GPS mount does the rest. With a large 150mm (6 inch) primary mirror and a 1400mm focal length, this large reflector telescope is the perfect high magnification instrument for planetary and deep space astronomy. You can observe fabulous nebulae, galaxies, b… More >>
TwinStar Blue 6″ iOptron Computerized GPS Equatorial Reflector Telescope
TwinStar White 90mm iOptron Computerized GPS Equatorial Cassegrain Telescope
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- 90mm fully coated, achromatic objective lens
- 1200mm focal length
- Kellner 25mm Eyepiece; (1) Kellner 9mm Eyepiece included
- iOptron GoToNova Controller with 80,000 Celestial Object Database
- iOptron SmartStar-A Computer Controlled GPS Equatorial Mount
Product Description
This 90mm Maksutov-Cassegrain telescope is a fully GoTo telescope. It’s on board computer knows the night sky. Just power it on and your telescope will be ready to take you on a tour of the universe. This telescope has a folding optical assembly that uses a combination of mirrors and lenses to pack an incredible 1200mm focal length in a compact 12.5 inch optical assembly. As a result, this telescope is ideal for both day and night viewing. With a powerful magnificat… More >>
TwinStar White 90mm iOptron Computerized GPS Equatorial Cassegrain Telescope
TwinStar Silver 4.5″ iOptron Computerized GPS Equatorial Reflector Telescope
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- 114mm (4.5 inches) objective mirror, 500mm focal length
- Fast f/4.4 F-ratio for outstanding brightness
- 25mm & 10mm Plossl 1.25″ Diameter Eyepieces Included
- iOptron SmartStar-A Computer Controlled GPS Equatorial Mount
- iOptron GoToNova Controller with 80,000 Celestial Object Database
Product Description
This telescope is ideal for backyard astronomy enthusiasts or older children with space on the brain. Simply turn the telescope on, choose the object you want to see on the handheld controller and the computerized GPS mount does the rest. With a large 114mm (4.5 inch) primary mirror and a 500mm focal length, this fast F/4.4 telescope is the perfect large light-gathering instrument for wide-field and deep space astronomy. You can observe fabulous nebulae, galaxies, b… More >>
TwinStar Silver 4.5″ iOptron Computerized GPS Equatorial Reflector Telescope
TwinStar White 70mm iOptron Computerized GPS Equatorial Refractor Telescope
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- 70mm fully coated, achromatic objective lens
- 700mm focal length — f10
- 4mm, 10mm & 20mm Eyepieces & 2x Barlow Lens included
- iOptron SmartStar-A Computer Controlled GPS Equatorial Mount
- iOptron GoToNova Controller with 80,000 Celestial Object Database
Product Description
This GPS telescope does it all with just the push of a button. Simply turn the telescope on, choose the object you want to see on the handheld controller and the computerized mount does the rest. North Star alignment not necessary with GPS. This incredibly balanced telescope is ideal both for space viewing and daytime observing. With a large 70mm aperture this telescope has a third more light gathering power than most smaller scopes. The fully coated achromatic 70mm… More >>
TwinStar White 70mm iOptron Computerized GPS Equatorial Refractor Telescope
White TwinStar 4.5″ Reflector Telescope Fast f/4.4 EQ Mount
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- Spherical 114mm (4.5 inches) objective mirror, 500mm focal length
- Fast f/4.4 F-ratio for outstanding brightness
- 25mm & 10mm Plossl 1.25″ Diameter Eyepieces Included
- EQ Mount and Tripod w/Accessory Tray are Included (RA motor drive is available)
- Step-by-step Color Photo Online Assembly Guide
Product Description
Rich-Field 4.5 Inch Newtonian Reflector Telescope. Possibly the best reflector telescope value available today, this 4.5″ scope boasts a short 500mm focal length. As a result, this scope packs a super-fast F/4.4 F-ratio, making it an extremely powerful instrument for wide-field and deep space astronomy. With its tremendous light-gathering power, you can observe fabulous nebulae, galaxies, binary star systems and most of the famed deep space Messier objects in d… More >>
White TwinStar AstroMark 50mm 75x Power Refractor Telescope
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- 50mm Achromatic objective lens, 600mm focal length
- Great Beginner Scope — Easy to Use, Just “Point & Shoot”
- 30x and 75x Magnification from H20mm & H8mm .965″ Diameter Eyepieces
- Altazimuth Mount and Full-Size Tripod are Included
- Step-by-step Color Photo Online Assembly Guide
Product Description
Here is our best value, full-featured telescope. This simple to assemble and easy to use refractor telescope will amaze and astonish you with its outstanding views of the Moon, Saturn’s Rings and plenty of deep-space objects such as the Beehive star clusters, the Orion Nebulae and binary star systems. Sporting a 50mm objective lens and a long 600mm focal length, this telescope can achieve magnifications from 30x to 75x using the two included eyepieces. Also included… More >>
TwinStar Silver 6″ iOptron Computerized GPS Equatorial Reflector Telescope
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- 150mm (6 inch) objective mirror, 1400mm overall focal length
- Short tube design yields maximum 400x magnification
- 25mm & 10mm Plossl 1.25″ Diameter Eyepieces Included
- iOptron SmartStar-A Computer Controlled GPS Equatorial Mount
- iOptron GoToNova Controller with 80,000 Celestial Object Database
Product Description
This telescope is ideal for backyard astronomy enthusiasts or older children with space on the brain. Simply turn the telescope on, choose the object you want to see on the handheld controller and the computerized GPS mount does the rest. With a large 150mm (6 inch) primary mirror and a 1400mm focal length, this large reflector telescope is the perfect high magnification instrument for planetary and deep space astronomy. You can observe fabulous nebulae, galaxies, b… More >>
TwinStar Silver 6″ iOptron Computerized GPS Equatorial Reflector Telescope
Black TwinStar 6″ Short Tube Reflector Telescope EQ Mount
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- 150mm (6 inch) objective mirror, 1400mm overall focal length
- Short tube design yields maximum 400x magnification
- 25mm & 10mm Plossl 1.25″ Diameter Eyepieces Included
- EQ Mount and Tripod w/Accessory Tray are Included (RA motor drive is available)
- Step-by-step Color Photo Online Assembly Guide
Product Description
Short Tube 6 Inch Newtonian Reflector Telescope. This is large aperture reflector at the bargain price that makes your introduction to serious high-power viewing affordable. This 6 inch reflector scope boasts a “short tube” design, with a built-in corrector that yields an 1400mm focal length with just a 19 inch primary tube. As a result, this scope packs a serious high-power punch, with magnification up to 400x making it ideal for lunar and planetary observation… More >>
