Vixen SD115S Refractor Telescope

  • $3,399.95
    Unit price per 


  • High-quality SD refractor with 115 mm aperture
  • Bright, pure-color and extremely sharp image
  • Also suitable for full-frame cameras
  • Portable and lightweight, despite large aperture
  • Very high contrast thanks to SD glass
  • Ideal for observing the moon and planets


A new apochromatic refractor with high-performance Super ED glass (=SD). The FPL53 glass reproduces an extremely clear and sharp image by eliminating residual chromatic aberration. Another advantage of these SD refractors is their short length and lightweight design.

The SD glass is designed to focus all beams of violet, red, blue, yellow and green light exactly onto the same level. The special lens material reduces chromatic aberration across all colors. Together with the new optional SD Reducer HD Kit or SD Flattener HD, these refractors provide illumination with a 44 mm image circle for full-frame SLR cameras.

The ED81SII, ED103S and ED115S refractors were originally designed for visual observers or photographers with an APS-C camera. However, the new SD series features new inner panels which are optimized for full-frame cameras. The large focuser allows you to attach heavy cameras without the telescope tilting. The telescope also comes with a folding mirror for making observations in unfavorable conditions, as well as a T2 thread for connecting a DSLR camera.

What's Included

  • ED 115 telescope/lens barrel
  • Carry handle
  • Folding mirror
  • 7x50 viewfinder
  • Tube clamps
  • Dovetail adapter


Optical design Apochomatic Refractor
Mirror/Lens diam. 115 mm
Focal length and Aperture ratio 890 mm f/7.7
Angular resolution 1.01 arc seconds
Light-gathering power 270x
Eyepiece Barrel Diameter 31.7 mm
Visual limiting magnitude 12.1 (approx., mag)
Viewfinder 7x50 viewfinder
Dimensions and weight 125 x 930 mm, 6.2 kg


Vixen warranties its products to be free from initial defects in materials and workmanship for a specified period based on part type:

Vixen Electronic Parts: Limited One Year Warranty

Vixen Mechanical Parts: Limited Two Year Warranty

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CA Residents: Prop 65 WARNING(S)

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