Eyepiece - Explore Scientific 68° Waterproof Eyepiece Kit
Explore Scientific 68° Waterproof Eyepiece Kit

Explore Scientific 68° Waterproof Eyepiece Kit

$649.99

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8 in stock

Only 8 items left in stock!

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.Description

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings. Explore Scientific 62° Series Argon-Purged Waterproof 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 68° Waterproof Eyepiece Kit. the apparent field is truly a full-immersion experience. The 62° Series eyepieces are parfocal (meaning they focus at near the same point regardless of the focal length you select). And come with a removable and foldable soft silicone rubber eyecup 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.

Protection from the Outdoors

By making the eyepiece body Argon-purged, the waterproof eyepiece internal elements will remain. As pristine as the day they were assembled.

Argon atoms are larger than that of Nitrogen and therefore they are less likely to leak or diffuse their way through the seals over the life of the eyepiece. The atomic radius of Argon is larger than Nitrogen by 0.13 angstroms and has a larger atomic volume of 11.2 cubic centimeters/molecule. Argon also has superior inertness vs Nitrogen (i.e. forming few or no chemical compounds with other elements) that prevents adverse reactions with eyepiece components and therefore extends the longevity of the internal components, and also prevents chemical reactions with other elemental contaminants that may be introduced through a weakened seal. And, finally, because Argon is less conductive of heat than Nitrogen, Argon cools slower thereby buffering the effects of rapid temperature changes of the optics.

The sealed, dry environment is impervious to internal fogging and contaminants such as fungus growing in between the lens elements. Our waterproof eyepiece is easier to clean, and there is no risk of cleaning solution migrating from the top of the lens and seeping around edges to be trapped in between elements. To ensure a perfect seal we test every eyepiece in one meter of water for 30 minutes.

This kit includes 68° 16mm, 68° 24mm, and 68° 34mm Argon-Purged Waterproof Eyepieces and a soft-sided case. These eyepieces are individually boxed in our Will Tirion? famous? star map box along with the soft-sided case inside an outer box.

Specs

Item Number EPWP 68° KIT
Focal Length 16mm, 24mm, 34mm
Length See individual item
Width See individual item
Weight See Individual item
Barrel Size 1.25in and 2in
Eye Relief See individual item
Field Stop Diameter See individual item

Warranty

Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Warranty when the product is registered within 60 days of purchase. Click Here to register.

CA Residents: Prop 65 WARNING(S)

Additional information

Weight 3 lbs

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