Vixen ED103S Refractor w/Dual Speed Focuser & Tube Rings

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Vixen ED103S Refractor w/Dual Speed Focuser & Tube Rings
$1,799.00
Item # VX-5865
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  • The Vixen ED 103S is a two group, two element refractor with extra low dispersion glass to reduce the secondary spectrum and produce sharp images.
  • The ED lenses are environmentally friendly and free of lead and arsenic.
  • The Vixen ED103S is designed with a compact tube that's easy to carry, and comes with a metal carry handle.
  • This package includes a Dual Speed 2" Focuser, and 90mm Tube Rings.
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Vixen ED103S Refractor w/Dual Speed Focuser & Tube Rings

The newly designed high definition ED lens on the Vixen ED103S gives excellent optical performance with a short optical tube for easy handling. The new ED lenses feature brighter images from the shorter f/7.7 focal ratio and capture crisp, pinpoint star images for your eye’s enjoyment. The new ED glass produces clear and high contrast viewing, virtually free of false color. The design on the Vixen ED103S uses newly developed, environmentally friendly glass technology, free of hazardous lead that helps to support a cleaner global environment. The optical tube comes equipped with a metal carry handle for easy one-hand carrying.

Coupled with a medium f/7.7 focal ratio, the ED “S” series new lenses focus the full visible spectrum of visible light to a critical point much more accurately than past ED product. The ED103S lenses are almost free of chromatic aberration in all colors and are critically sharp edge to edge. The astro-photographer will be especially pleased with the high contrast images through this telescope. Vixen finishing touches include carry handle, new Dual Speed Focuser - now standard on the ED103, provides fine focus adjustments for 1/7th speed focusing - and 90mm tube rings.

Vixen ED103S - ED APO Refractor Features

  • A full objective diameter of 4.1" (103mm) operating at a focal ratio of f/7.7.
  • Short tube length of 31.5" (800mm) and tube weight of 7.9 lbs (3.6 kg) make it easily portable.
  • Generous 5.9" (150mm) of backfocus is standard and can produce 4" (101.4mm) of backfocus with optional reducer.
  • Dual Speed Focuser, now standard on the ED103S, provides fine focus adjustments for 1/7th speed focusing.
  • Sharp, color-free image of high contrast for both visual and photographic applications - without unwanted color or "blooming" around bright stars.
  • The new lenses focus the full visible spectrum of visible light to a critical point much more accurately than past ED product. The ED103S lenses are almost free of chromatic aberration in all colors and are critically sharp edge to edge.
  • The astro-photographer will be especially pleased with the high contrast images through this telescope.
Vixen Product Number: VX-5865
Additional Information

Additional Information

SKU VX-5865
Manufacturer Vixen
Telescope Series Vixen ED
Optical Design Refractor - Semi-APO
Mount Type None - Optical Tube Only
Warranty 5 Year Warranty
Telescope Aperture 4.1"
Telescope Focal Length 795mm
Telescope Focal Ratio f/7.7
Highest Useful Magnification 217x
Limiting Stellar Magnitude 13
Optical Coatings Fully Multi-Coated
Dew Shield Included? Yes
Optical Tube Outer Diameter 115mm
Length of Optical Tube 31.8”
Optical Tube Weight 8 lbs.
Tube Color or Finish Gloss White
Eyepiece(s) Included None
Finder Included None
Alignment Procedure N/A
Objects in Database N/A
Power Adapter Included None - Does Not Require Power
Counterweights Included N/A
Mount Weight N/A
Tripod Type Included None, Sold Separately
Total Telescope Weight N/A
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Included Items

Included Items

  • Vixen ED103S - 103mm f/7.7 APO Telescope OTA
  • 2" Focuser
  • Tube Rings
  • Carry Handle
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