Celestron AstroMaster 90EQ Telescope

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Celestron AstroMaster 90EQ Telescope

The Celestron AstroMaster 90EQ Telescope is ideal for observing thousands of celestial objects in the night sky and achieving superb images of the Moon as well as details of Saturn’s rings and Jupiter’s four largest moons. This telescope is also suitable for looking at our own landscapes, cityscapes and seascapes.

This EQ version features the Equatorial mount with setting circles that enables you to precisely locate and then to track celestial objects on their paths across the sky.

As the images you see through your eyepiece are the right way up, this telescope is also very effective for land-based viewing of views and indivdual objects such as mountains or grand country mansions.

Although there are quite a few parts to the Celestron AstroMaster 90EQ Telescope, it needs no tools other than the supplied screwdriver and lateral adjuster. The set-up process quickly becomes straightforward and the end results make learning the routine very worthwhile.

The telescope is supplied complete with the SkyX CDrom for use with a computer to show you how to find thousands of celestial objects and to identify those whose names you do not know.

Features

  • Quick and easy no-tool set up
  • Permanently mounted StarPointer
  • Erect image optics ideal for terrestrial and astronomical use
  • Quick-release dovetail attachment with no-tool set up
  • German Equatorial mount with setting circles accurately locates and tracks sky objects
  • Rugged pre-assembled tripod with 1.25-inch steel tube legs provides rigid, stable platform
  • All-coated glass optics for clear, crisp images
  • Deluxe accessory tray for convenient storage of accessories
  • The SkyX First Light Edition astronomy software with 10,000-object database, printable sky maps, 75 enhanced images

Specification

  • Optical design: Refractor
  • Aperture: 90 mm (3.5 inches)
  • Focal length: 1000 mm (39 inches)
  • Focal ratio: 11
  • Focal length of eyepiece 1: 20 mm (0.79 inches)
  • Magnification of eyepiece 1: 50x
  • Focal length of eyepiece 2: 10 mm (0.39 inches)
  • Magnification of eyepiece 2: 100x
  • Finderscope: Built-on StarPointer
  • Erect image star diagonal: 1.25 inches
  • Mount type: CG-3 Equatorial
  • Tripod: 1.25-inch steel tube legs
  • Highest useful magnification: 213x
  • Lowest useful magnification: 13x
  • Limiting stellar magnitude: 12.3
  • Resolution (Rayleigh): 1.55 arc secs
  • Resolution (Dawes): 1.29 arc secs
  • Light-gathering power compared to human eye: 165x
  • Apparent field of view: 1°
  • Linear field of view @1000 yds: 53 ft (16 m)
  • Optical tube length: 36 inches (914 mm)
  • Weight: 27 lb (12.25 kg)
  • Telescope warranty: 2 years
Product description

Celestron AstroMaster 90EQ Telescope

The Celestron AstroMaster 90EQ Telescope is ideal for observing thousands of celestial objects in the night sky and achieving superb images of the Moon as well as details of Saturn’s rings and Jupiter’s four largest moons. This telescope is also suitable for looking at our own landscapes, cityscapes and seascapes.

This EQ version features the Equatorial mount with setting circles that enables you to precisely locate and then to track celestial objects on their paths across the sky.

As the images you see through your eyepiece are the right way up, this telescope is also very effective for land-based viewing of views and indivdual objects such as mountains or grand country mansions.

Although there are quite a few parts to the Celestron AstroMaster 90EQ Telescope, it needs no tools other than the supplied screwdriver and lateral adjuster. The set-up process quickly becomes straightforward and the end results make learning the routine very worthwhile.

The telescope is supplied complete with the SkyX CDrom for use with a computer to show you how to find thousands of celestial objects and to identify those whose names you do not know.

Features

  • Quick and easy no-tool set up
  • Permanently mounted StarPointer
  • Erect image optics ideal for terrestrial and astronomical use
  • Quick-release dovetail attachment with no-tool set up
  • German Equatorial mount with setting circles accurately locates and tracks sky objects
  • Rugged pre-assembled tripod with 1.25-inch steel tube legs provides rigid, stable platform
  • All-coated glass optics for clear, crisp images
  • Deluxe accessory tray for convenient storage of accessories
  • The SkyX First Light Edition astronomy software with 10,000-object database, printable sky maps, 75 enhanced images

Specification

  • Optical design: Refractor
  • Aperture: 90 mm (3.5 inches)
  • Focal length: 1000 mm (39 inches)
  • Focal ratio: 11
  • Focal length of eyepiece 1: 20 mm (0.79 inches)
  • Magnification of eyepiece 1: 50x
  • Focal length of eyepiece 2: 10 mm (0.39 inches)
  • Magnification of eyepiece 2: 100x
  • Finderscope: Built-on StarPointer
  • Erect image star diagonal: 1.25 inches
  • Mount type: CG-3 Equatorial
  • Tripod: 1.25-inch steel tube legs
  • Highest useful magnification: 213x
  • Lowest useful magnification: 13x
  • Limiting stellar magnitude: 12.3
  • Resolution (Rayleigh): 1.55 arc secs
  • Resolution (Dawes): 1.29 arc secs
  • Light-gathering power compared to human eye: 165x
  • Apparent field of view: 1°
  • Linear field of view @1000 yds: 53 ft (16 m)
  • Optical tube length: 36 inches (914 mm)
  • Weight: 27 lb (12.25 kg)
  • Telescope warranty: 2 years
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