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Stellarvue - SV80ST-IS Imaging Refractor Telescope System

  • Stellarvue - SV80ST-IS Imaging Refractor Telescope System
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Product Description

Stellarvue SV80ST-IS Imaging Refractor Telescope System

The SV80ST Imaging System includes the SV80ST-25FT with 2.5" feathertouch focuser, 2" and 1.25" compression ring adapters, CNC mounting rights, high quality Strehl optics, an airline carry on case and the SFF6-25 field flattener. The flattener creates an f/6 480mm astrograph! The high quality 80mm apochromatic triplet lens is one of the highest quality Stellarvue uses.

The high quality Stehl apochromatic triplet objective is triple tested at Stellarvue to make sure it meets proper performance. Stellarvue is now taking the time to provide interferometric tests with their triplet refractors to show performance. Hitting a Strehl ratio of at least .95 means the telescope will perform properly! This perfectly focused light will for visual users make stars appear clear and the 99% reflectivity reduces the reflection seen on CCD sensors. The fast speed and high Strehl optics make the 80 apo excellent for wide field imaging as well as a great visual scope!


  • Dew shield included
  • The interior of the optical tube assembly is painted black and baffled to get rid of tube wall reflections.
  • Aluminum tube design for faster cooling
  • 2.5" dual speed focuser provides 3.5" of travel making it ideal for both visual and imaging. The rear is threaded to accept the Stellarvue field flattener/reducer.
  • The SFF6-25 Photographic Field Flattener can convert this optical tube into a magnificient imaging system for deep sky objects. It is designed for DSLR cameras or (with optional 42mm T-Ring) or Starlight Xpress cameras.
  • Two CNC mounting rings included each with five screws on the top and bottom. Threaded holes are 1/4-20 and there is one center hole, two holes spaced 1.5" apart and two holes spaced 60mm apart. For scopes using Vixen style rails, the optional TP14 rail should be used and the optional TP6 for scopes that use Losmandy style.
  • Includes an airline carry on type thickly padded C19 case that can hold the telescope and many optional accessories such as diagonal, eyepieces and field flattener.
  • Light gathering power is 131x the unaided eye.


Name Stellarvue - SV80ST-IS Imaging Refractor Telescope System
Manufacturer Stellarvue
Model STV-SV080ST-IS
Telescope Aperture 3.1" - 4"
Aperture 80mm
Case C19 heavy duty, thickly padded airline carry-on case. Holds telescope, field flattener/reducer and optional accessories (e.g. 2" star diagonal, eyepieces, MRF finder)
Field Flattener Includes SFF6-25 field flattener.
Focal Length 480mm
Focal Ratio F/6
Focuser 2.5" dual speed Feather Touch focuser with 10:1 reduction for extremely fine focusing, 2" and 1.25" compression ring adapters.
Objective Lense Sizes 80mm
Star Diagonal Optional. Please note, you can purchase our 2" diagonal upgrade for only $139 above. The upgrade diagonal is the same as the D1029ED deluxe dielectric diagonal but it does not come with a 1.25" adapter since the telescope already has one.

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