Vixen

Vixen Optics ED81S Multi Coating Refractor, 81mm Aperture, 625mm Focal Length

SKU: VX5864 MFR: 5864
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$1,540.00 List Price

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About the Vixen ED81S

When The ED81S Refractor was introduced, it set a new standard for APO Refractors. The combination of better color correction from the new ED glass and brighter images from its fast f/7.7 focal ratio will satisfy the most demanding visual astronomer or astro-photographer. The new ED glass produces clear and high contrast viewing, virtually free of false color. Vixen's innovative design uses newly developed, environmentally friendly glass technology. The optical tube is very stable yet light weight. Vixen's new Dual Speed Focus, now standard on the ED81 Refractor, provides fine focus adjustments for 1/7th speed focusing.

Vixen ED81S Includes

  • Vixen Optics ED81S Multi Coating Refractor
  • Tube Rings
  • Vixen Optics 5 Years Warranty

Summary of Customer Reviews

(3)
Customers most agreed on the following attributes:
Pros:
Great optics (3)
Best Uses:
Astronomy (3)
Reviewer Profile:
Avid adventurer (2) , Casual/ recreational (1)

Vixen ED81S Specifications

Optical Design ED Apochromatic Refractor
Aperture 81mm
Focal Length 625mm
Focal Ratio f/7.7
Coating Multi Coating
Resolving Power 1.43 arc sec
Limiting Magnitude 11.3
Light Gathering Power 134x
Finder Scope Optional
Focuser Dual Speed
Adapter Thread 60mm/50.8mm
Astrophotography Prime Focus, Eyepiece Projection & Afocal Imaging
Visual Back Compression Ring
Outside Dew Shield (Dia.) 100mm
Dimensions (LxDia.) Optical Tube: 23x3.5" / 58.42x8.89cm
Weight 5.1lbs / 2.31kg
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