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JAKARTA, INDONESIA
S 06 10'58"
E 106 49' 45"
  Spotting Scope > Orion >   Orion ST 80-T Refractor
Orion ST 80-T Refractor

Orion Short Tube 80-T Refractor

Harga: USD. 310 - including:
ST 80-T OTA, 45 degree prism, 25mm & 10mm Eyepiece, Finder, Soft Padded Case/Bag, Starry Night Software

 
Orion ShortTube 80-T Refractor
  • This popular wide-field refractor is now even better! Take it anywhere for hours of enjoyment.
  • Multi-coated 80mm lens and short 400mm focal length give you bright and crisp wide-field vistas.
  • Perfect for stargazing or terrestrial viewing
  • Includes two eyepieces, cast-aluminum focuser, and correct-image diagonal (1.25").
  • One-year limited warranty
  • The popular "little scope that could" is now even better. The wide-field refractor that novices appreciate for its ease of use and big-scope owners value as a take-anywhere second scope now has fully multi-coated optics and comes with its own padded carrying case.

    Its 80mm achromatic objective lens, short 400mm focal length (f/5.0), correct-image diagonal (1.25") and 6x26 correct-image finder scope make the ST80-T perfect for casual stargazing or terrestrial viewing. The short focal length means you'll see a beautifully wide field of view. And like all refractors, the unobstructed light path means sharper images with better definition and contrast.

    Despite its diminutive size — it's only 15-1/2" long — this telescope delivers the goods. And it's so portable you will be able to take it virtually anywhere.

    It comes equipped with a 1.25" cast-aluminum rack-and-pinion focuser and two interchangeable Sirius Plossl eyepieces — 25mm (16x) and 10mm (40x). Easily attaches to Orion equatorial mounts or photo tripods. One-year limited warranty.

    Product Specifications:

    Use Terrestrial
    User level Level 1
    Optical design Refractor
    Optical diameter 80mm
    Focal length 400mm
    Focal ratio 5.0
    Optics type Air-spaced doublet
    Glass material Crown/Flint
    Eyepieces included Sirius Plossl 25.0mm, 10.0mm
    Magnification with included eyepieces 16x, 40x
    Resolving power 1.43arc*sec
    Lowest useful magnification 12x
    Highest useful magnification 189x
    Limiting stellar magnitude 11.3
    Optical quality Diffraction Limited
    Finder scope 6x26 Correct-image
    Focuser 1.25" Rack-and-pinion
    Diagonal 1.25" 45-deg Prism Correct-image
    Mount style Optical Tube without Mount
    Astro-imaging capability Lunar, planetary & long exposure
    Tube material Aluminum
    Length of optical tube 15.0 in.
    Weight, optical tube 3.8 lbs.
    Additional included accessories Soft carry case
    Other features Dovetail mounting bar w/ 1/4"-20 threaded holes, Now Fully Multi-Coated
    Warranty One year

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