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Explore Scientific 68° 16mm Waterproof Eyepiece

Save 17%
Original price $179.99
Current price $149.99
SKU EPWP6816-01

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° 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 by 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 insure a perfect seal we test every eyepiece in one meter of water for 30 minutes.

Specs

Item Number EPWP6816–01
Focal Length 16mm
Length 61.9mm
Width 43.2mm
Weight 5.5oz; 158g
Barrel Size 1.25inch
Eye Relief 11.9mm
Field Stop Diameter 18.2mm

Warranty

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

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r
EAGLE3
r.h.
Great device and excellent service.

This is my first experience with Hyperion. I had quick shipping and good service. The eagle is an excellent device for controlling my telescope and camera. It is a powerful pc.

M
ECCO
M.R.
Really does the job...

For those who have the Eagle, the ECCO is a great device to monitor and adjust the dew heater. It is very easy to install. You do a short calibration in the advanced settings, be sure the sensor is properly placed, plug in the cables and bingo--all done. Highly recommend it.

Great Software

Amazing program, so much you are able to do with it. Very costomizable. Great software support as well, quick replies and helpful. As an amateur astrophotographer it’s pretty easy to learn and the program can grow with you as you dive into the more advanced features.

Successful imaging

I am still learning all the capabilities of Prism, and so far very pleased. I have had several nights so far, after easy setup, of sound sleep waking up to multiple quality subs. I have tried many automation software packages and very happy with Prism.
I asked about some simple issues on initial setup, and customer support was very fast and super friendly.
Give Prism a try.

Nice compact Setup

This is a nice and easy-to-use short focus Newtonian with a very good mounting. A basic knowledge of astronomy is needed to properly use this telescope, as the telescope needs to be colimated to get best results. The mounting needs to be properly oriented to the sky as well.