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C102 - AZ
#21011
C102 - HD
#21016
  • 102mm (4") Aperture
  • Focal Length of 1000mm
  • Focal Ratio of f/10
  • Fully Multi-Coated Optics
  • Standard 1¼" Accessories include: 20mm Plössl   Eyepiece (50x) and Focuser
  • 45° Erect Image Diagonal -- 1¼" (Model #21011)
  • 90° Mirror Diagonal -- 1¼" (Model #21016)
  • 6x30 Finderscope
  • Sturdy, Adjustable Aluminum Tripod with Accessory Tray
  • Weight: 28 Lbs. for #21011, 36 Lbs. for #21016
These telescopes are carefully designed for the more serious astronomer and terrestrial observer and feature exquisite optics and precision, heavy duty mounts. 

The optics of these telescopes are made to exacting standards, with high quality materials to ensure top performance. You'll find that astronomical viewing is a delight with these large, powerful 4" telescopes. They offer a 63% increase in image brightness over 80mm models, with the larger aperture delivering incredible images of: the moon; Saturn and its ring structure; Jupiter and its belts; and hundreds of deep-sky objects, including galaxies, nebulae and star clusters.

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