Used Explore Scientific 18mm 82 Degree Waterproof Eyepiece-UT-11990-SOLD

ITEM #
UT-11990
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  • Price:
  • Sale
  • $159.00
  • Regular price $219.00

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Accessories Added

  • This is a used eyepiece in excellent condition
  • Very wide apparent field of view
  • Long eye relief for viewing comfort
  • Argon purged waterproof design

DESCRIPTION

Used Explore Scientific 18mm 82 Degree Waterproof Eyepiece-UT-11990-SOLD

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 82 degree Series extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

The visual effect of these eyepieces with their long eye-relief and their 82 degree apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. 

Each eyepiece is meticulously assembled into precision machined metal lens barrels that maintain the perfect alignment of the optical train for years of rugged use in the field. The 82 degree Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.

  • AFOV: 82 degrees
  • Focal Length: 18mm
  • Barrel Size: 2"
  • Eye Relief: 13mm

SPECIFICATIONS

ConditionExcellent
ManufacturerExplore Scientific
Warranty90 Day Covered By OPT

INCLUDED ITEMS

  • 18mm 82 degree eyepiece
  • Caps and original box

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