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Explore Scientific 3mm 52° Series Waterproof Eyepiece

SKU ES5203

Manufacturer Part # EPWP5203-01

Save $20.05 Save $20.05
Original price $89.99
Original price $89.99 - Original price $89.99
Original price $89.99
Current price $69.94
$69.94 - $69.94
Current price $69.94
Availability:
In Stock

Looking for something out of the ordinary for your next eyepiece?  The Explore Scientific 52° series is a strong contender for necessary addition to your eyepiece collection.

Looking for something out of the ordinary for your next eyepiece?  The Explore Scientific 52° series is a strong contender for necessary addition to your eyepiece collection.  It's long 15mm of  eye relief makes it a joy to put in your scope night after night.

Designed for high-power on-axis observations, the Explore Scientific 3mm 52° Series Waterproof Eyepiece is fully EMD (Enhanced Multi-Layer Deposition) Coated with edge blackened lenses providing the contrast required for serious high-power observing of planets, close-paired double stars, and bright compact deep sky objects. With a flat apparent field of view of 52 degrees, these eyepieces offer incredible value.

While some might question the need for Argon-Purged waterproof eyepieces, it is a nice concept knowing the inside of your eyepiece will be just as perfect as the day it left the assembly line.  No need to worry about dust, or cleaning solution, finding its way inside the elements.  These eyepieces are designed to be used night after night giving you complete peace of mind about their performance.

Tech Details: 

Item Number EPWP5203–01
Focal Length 3mm
Length 90.9mm
Width 43mm
Weight 204.1 grams; 7.2 oz.
Barrel Size/Type 1.25" O.D. / Double Taper
Eye Relief 15mm
Field Stop Diameter 2.7mm
Coatings: EMD (Enhanced Multi-Layer Deposition) on all lens-to-air surfaces
Lens Elements/ Groups 6 Elements in 3 Groups; Edge Blackened
Filter Thread Fits Standard 1.25-inch Dia. Thread in Filters (1.125-inches x 42 TPI)
Waterproof O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes
Eyecup Removable Flip-Down Style Soft Silicone Rubber
Lens Caps Slide-on Top and Bottom
Materials Optical Glass; Aluminum; Steel; Silicone Rubber
Markings Laser Engraved: Focal Length; Series; Serial Number; Brand

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