Explore Scientific 3mm 52° Series Argon-Purged Eyepiece
If you're looking for an ultra-high magnification eyepiece to push your telescope to its limits on planets, double stars, and lunar detail, the Explore Scientific 3mm 52° Series eyepiece is a top contender. Designed for crisp, contrast-rich views, this eyepiece delivers exceptional optical performance in a sleek, waterproof package.
High Magnification for Detailed Observations
With a 3mm focal length, this eyepiece is an excellent choice for planetary observers who demand the finest details. It allows you to zoom in on the cloud bands of Jupiter, the intricate ring structure of Saturn, and even subtle variations on Mars when atmospheric conditions permit. It’s also well-suited for resolving tight double stars and bringing out fine detail on the Moon’s surface.
52-Degree Apparent Field for an Immersive Experience
A 52-degree apparent field of view offers a comfortable balance between magnification and framing, keeping celestial objects in view without feeling overly restrictive. The field is wide enough to appreciate fine details while still maintaining an easy-to-navigate experience, making it a great choice for both beginners and experienced astronomers.
Fully Multi-Coated Optics for Maximum Light Transmission
Explore Scientific coats every air-to-glass surface with high-end multi-coatings to optimize contrast and brightness. This results in enhanced planetary detail, better separation of binary stars, and excellent performance on deep-sky targets when used in fast focal ratio telescopes.
Argon Purging for Long-Term Durability
Unlike nitrogen-purged eyepieces, Explore Scientific uses argon gas to protect the internal optical elements. Argon molecules are larger and less likely to escape over time, providing superior waterproofing and fog resistance. This design keeps internal surfaces pristine, preventing moisture and dust from degrading the performance of the eyepiece, even in humid or cold conditions.
Comfortable Eye Relief and Fold-Down Eyecup
While high-power eyepieces can sometimes feel cramped, the 3mm 52° Series offers a comfortable viewing experience with sufficient eye relief to accommodate most users, including those who wear glasses. The rubber fold-down eyecup helps block stray light, improving contrast during critical observations.
Threaded for Filters for Enhanced Viewing
The eyepiece barrel is internally threaded to accept standard 1.25" filters, allowing you to enhance contrast on planetary targets or cut through light pollution for deep-sky observations. Whether you're using a color filter to bring out Martian surface features or a moon filter to reduce glare, this eyepiece offers flexibility to tailor your view.
Built to Last with a Precision Machined Housing
Explore Scientific crafts this eyepiece with durability in mind. The anodized aluminum barrel resists wear and corrosion, ensuring years of reliable performance. The robust construction, combined with the waterproof design, makes this a true investment piece for serious observers.
Perfect for Short Focal Length Telescopes
This 3mm eyepiece is an excellent choice for telescopes with longer focal lengths, delivering extremely high magnifications for lunar and planetary observation. It pairs especially well with small apochromatic refractors and larger Dobsonian telescopes, allowing users to push magnification to the limits of seeing conditions.
Final Thoughts
The Explore Scientific 3mm 52° Series Argon-Purged Eyepiece is a fantastic addition to any astronomer’s kit. It delivers pinpoint sharpness, excellent color fidelity, and a durable, weatherproof design that will stand the test of time. Whether you're hunting for the Cassini Division in Saturn’s rings, resolving Jupiter’s Great Red Spot, or splitting close double stars, this eyepiece gives you the power and clarity to explore the night sky in stunning detail.
Specifications at a Glance:
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Focal Length: 3mm
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Apparent Field of View: 52°
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Eye Relief: Comfortable for high power viewing
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Optical Coatings: Fully multi-coated
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Gas Purging: Argon for long-term waterproofing and fog resistance
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Barrel Size: 1.25" with filter threads
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Weight: Lightweight yet durable
If you're in the market for an extreme high-power eyepiece that doesn't compromise on quality, the Explore Scientific 3mm 52° Argon-Purged Eyepiece is a top-tier choice. Elevate your planetary and lunar viewing with this precision-crafted optical powerhouse.
