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Ultra Mono Eyepieces
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The customers have spoken! The results are in! Compared to the most elite eyepieces, the 10mm Monocentric eyepiece by far has the highest contrast of any planetary style eyepiece.​ 

"...Overall, I felt the 10mm Ultra Mono with Tele Vue 2x Barlow showed some of the best performance I have seen on Jupiter, Saturn, and Mars with any eyepiece through my Apochromatic refractors!..." William A Paolini - Click to read full Review
  

In considering all aspects of this type of eyepiece, we carefully analyzed every detail of existing eyepiece construction.  Our desire was to bring you the ultimate high contrast eyepiece.  In choosing the optics we utilized glass having very high transmission characteristics from 400-700nm giving our monocentric eyepiece the most natural color possible.  We tested several broadband coatings and chose the best coatings for optimal color balance and transmission properties.  We pushed optical performance to new levels.  We achieved simultaneously over 30% increase in field of view, 70% reduction in field curvature, and 80% increase in eye relief over a traditional monocentic eyepiece.  In the construction of the eyepiece body a special preparation and finish was applied to eliminate internal reflections.  The internal and external finish was also optimized to eliminate reflections and light scatter.  All of these features are to allow you to enjoy sharp, pinpoint imaging.  This sets a new standard in planetary and double star performance.  Each eyepiece comes in a custom box.
Construction
  • Height - 10mm: 52mm (44mm with eye cup down)
  •               6mm: 51mm (44mm with eye cup down)
  • ​Weight - 10mm: 50 grams
  •                6mm: 42 grams
  • Barrel Size - 1.25"
  • FOV - 33 Degrees
  • Eye Relief - 10mm: 8mm
  •                     6mm: 6mm
  • Field Stop - 10mm: 5.5mm
  • ​                    6mm: 3.2mm
Features​
  • 3 Element Monolithic Design
  • 2 Air to Glass Surfaces
  • Fully Broadband with Multiple Coatings
  • CNC Machined Barrel
  • Special Surface Treatment to Eliminate Stray Light
  • Laser Engraved Graphics
  • Fully Baffled Lower Barrel

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All Rights Reserved. Designated trademarks and brands are the property of their respective owners.
 
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  • Home
  • Products
    • Ultra Red Dot Scope
    • Telescopes >
      • PlanetHunter Series
    • Binoculars >
      • UltraLight Series
      • Passport Series
      • Floating Binocular Strap
    • Eyepieces >
      • Ultra Monocentric >
        • Ultra Monocentric Eyepieces Blog
      • Erfle Eyepieces
      • Symmetrical Eyepieces
      • Planetary Eyepieces
    • Accessories >
      • Barlows
      • Filters >
        • Variable Dielectric Color Filters & Accessories
        • CX4 Contrast
        • OIII Filter
      • Diagonals >
        • CED
      • Binoviewer 1.9x OCA
      • MRF Bases
      • Cases
  • About Us
  • Contact Us
  • Astronomy Extras
    • Astro Images
    • STAR STUFF by Terry Alford
    • Product History Information >
      • Telescopes from Our Past
      • Binoculars from Our Past
  • Downloads & Info