Explore Scientific 16mm 68 degree field waterproof 1.25" eyepiece
 $119.99,Free Shipping,  Explore Scientific EPWP6816-00,Telescope Accessories Accessories, Sale
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EXPLORE SCIENTIFIC 16MM 68 DEGREE FIELD WATERPROOF 1.25" EYEPIECE EPWP6816-00

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Explore Scientific 16mm 68 degree field waterproof 1.25
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Explore Scientific 68 Degree Series 16mm waterproof N2 Eyepiece 1.25" AVAIL AUGUST 2011, EPWP6816-00

Item No. 737-00916
Manuf. No. Explore Scientific EPWP6816-00

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Explore Scientific 16mm 68 degree field waterproof 1.25" eyepiece, EPWP6816-00

This new 68 degree 16mm Explore Scientific is an excellent medium power wide field eyepiece with an unusual benefit. It is O-ring sealed and nitrogen-purged to be 100% waterproof. This prevents internal fogging in the eyepiece; keeps the interior dust-and fungus-free; and makes it easier to clean, as there is no risk of excess cleaning solution getting trapped between the lenses.

Many observers feel that a 68 degree field eyepiece like this Explore Scientific hits the ęsweet spot" between the affordable, but ęlooking down a tube" view of 45 degree - 50 degree field eyepieces, and the full-immersion, but very expensive, observing experience of an ultra-wide field 82 degree or 100 degree eyepiece.

The 16mm 68 degree Explore Scientific works with any telescope from a fast focal ratio reflector to a long focal length refractor. Itęs particularly good with Dobsonians and fast focal ratio refractors, providing high magnification with a very wide field of view for observing globular clusters and compact nebulas. It provides a substantial 0.95 degree field of view (nearly twice the diameter of the full Moon) and a bright 3.55mm exit pupil with a 10" f/4.5 Dobsonian at 71x. You can use the calculator below to see just how wide the field will be with your particular scope.

The eye relief of this six lens/fully multicoated optical system is an acceptable 12mm. The field is vignetted somewhat for those with severe astigmatism who must wear eyeglasses while observing, but markedly less so than with many competitive eyepieces. The eyepiece has a soft fold-down rubber eyecup and comes with dust covers for both ends of the eyepiece.

The 68 degree Explore Scientific eyepieces will start shipping in August. They may be in short supply at first, so preorders will be shipped in sequence according to the date that we received your online or telephone order. Preorders will not be charged on your credit card until the eyepieces have been received and are ready to ship. We will post images as soon as they are available.

This individually serial numbered Explore Scientific eyepiece is backed by a limited one year warranty, which is extended to five years when the eyepiece warranty is registered with Explore Scientific within 60 days of purchase.

Specifications

  • Field of view 68 degree
  • Eye Relief 12mm
  • Focal Length 16mm
  • Number of optical elements 6
  • Barrel Size 1.25"
  • Warranty 1 year


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