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Explore Scientific 2" 82-deg Series Argon-Purged Waterproof Eyepiece - 24mm

Explore Scientific 2" 82-deg Series Argon-Purged Waterproof Eyepiece - 24mm

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Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 82° 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° 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° 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.

Explore Scientific's eyepieces are backed with their exclusive Explore STAR Transferrable Extended Life of the Product Warranty. Limited Warranty is one year, which converts to the Explore STAR Transferrable Extended Life of the Product Warranty when product is registered within 60 days of purchase. We think that you will find Explore Scientific eyepieces rank among the finest obtainable and represent an outstanding value.

Eyepiece Series

Explore Scientific 82° Waterproof Series

Focal Length


Barrel Size

2" (50.8mm)

Apparent Field of View (Mfg Specified)


Filter Threads

Standard 2" Filter Thread (M48 x 0.75)

Eye Relief


EMD (Enhanced Multilayer Deposition) Coatings

Lens Elements


Lens Groups

Blackend Lens Edges

Barrel Type
Tapered barrel

Height (With Eyeguard Extended)

Rubber Eye Guard

Rubber Folding Type



Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.

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Filed under: Eyepieces & Accessories