DESCRIPTION
Astronomy Haven Promo Alert: Buy any four in-stock premium waterproof eyepieces and get a free soft-sided eyepiece case from us!
To Activate Deal: Add four in-stock premium waterproof eyepieces to your cart. Upon confirming your order, we'll include this handy case in your shipment.
Grab it while our supplies last!

Are you ready to take your stargazing to new heights? Upgrade Your Stargazing Experience with the Explore Scientific 3mm Waterproof Eyepiece
Introducing the latest addition to the Explore Scientific inert gas-purged eyepiece line up: the 3mm 52º Series Eyepiece. Crafted for high-power on-axis observations, this eyepiece is meticulously coated with Enhanced Multi-Layer Deposition (EMD) and features edge blackened lenses, delivering the precise contrast needed for detailed exploration of planets, close-paired double stars, and vibrant compact deep sky objects.
Boasting an expansive apparent field of view of 52 degrees, these eyepieces offer exceptional value, providing immersive experiences that bring the wonders of the cosmos to life. Plus, with a generous 15mm of eye relief, you can enjoy extended viewing sessions in comfort, immersing yourself in the beauty of the cosmos without any strain.
Ideal for pairing with the "grab-and-go" Explore Scientific ED80 Essential Series Air-Spaced Triplet Apochromatic Refractor Telescope, this eyepiece offers a powerful magnification of 160X, perfect for capturing intricate details under optimal viewing conditions. And when the night sky presents near-perfect seeing conditions, the Explore Scientific ED152 Air-Spaced Triplet APO Refractor Telescope in Carbon Fiber achieves an impressive magnification of 405X without the need for a Focal Extender or Barlow.
Don't miss out on the opportunity to elevate your astronomy experience. Upgrade to the Explore Scientific 3mm Waterproof Eyepiece today and discover the universe like never before.
Why choose the Explore Scientific 52° Series 3mm Waterproof Eyepiece?
1. Unparalleled High-Power Performance
Engineered for high-power on-axis observations, this eyepiece delivers unparalleled clarity and detail, making it the perfect choice for discerning astronomers seeking to explore planets, close-paired double stars, and compact deep sky objects with precision.
2. Enhanced Contrast and Sharpness
Featuring Enhanced Multi-Layer Deposition (EMD) Coating and edge blackened lenses, this eyepiece ensures optimal contrast and sharpness, allowing astronomers to capture intricate features and subtle nuances in celestial objects with exceptional clarity.
3. Expansive Apparent Field of View
With a generous apparent field of view of 52 degrees, this eyepiece offers expansive vistas of the cosmos, providing immersive viewing experiences that bring the wonders of the universe closer than ever before.
4. Versatile Compatibility
Compatible with a range of telescopes, including the "grab-and-go" ED80mm f/6 Air-Spaced Triplet and the ED152 at f/8, this eyepiece offers versatility and adaptability, ensuring seamless integration into various observing setups.
5. Durable and Waterproof Design
Built to withstand the rigors of outdoor observation, this eyepiece features a durable and waterproof design, providing peace of mind for astronomers venturing into the field under different weather conditions.
6. Comfortable Viewing Experience
With a comfortable 15mm of eye relief, this eyepiece allows astronomers to indulge in extended observing sessions without discomfort or strain, ensuring an enjoyable and immersive viewing experience every time.
For more information, don't miss out the videos on the Media tab.
What's in the box?
- Explore Scientific 52° Series 3mm Waterproof Eyepiece ×1
SPECS
-
Focal Length: 3mm
-
Length: 90.9mm
-
Width: 43mm
-
Weight: 7.2 oz / 204.1g
-
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
CA Residents: Prop 65 WARNING(S)
MEDIA