Let’s Dive into Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece promises a transformative visual astronomy experience, boasting a hyper-wide 100° field of view. Manufactured by Explore Scientific, this eyepiece aims to eliminate the barrier between the observer and the cosmos, offering immersive views of celestial objects. Its waterproof and nitrogen-purged construction ensures clarity and longevity, making it a premium choice for serious stargazers.
My journey to this eyepiece began with a persistent quest for wider, more immersive views of the night sky. I’ve been frustrated by the “tunnel vision” effect of standard eyepieces, particularly when observing large nebulae and star clusters. The promise of the Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece’s expansive field of view was irresistible.
The unboxing experience was impressive. The eyepiece felt substantial, conveying a sense of quality and durability from the moment I lifted it. The materials felt premium and the nitrogen-purged sealed construction inspired confidence.
Compared to my older, narrower field eyepieces from Orion and Celestron, the Explore Scientific offering immediately stood out. These older eyepieces felt like looking through a soda straw by comparison. I chose the Explore Scientific for its promise of unparalleled immersion and superior build quality.
My first impression was one of excited anticipation mixed with a touch of skepticism, stemming from the hefty price tag. However, holding it in my hand, I felt eager to see if the promised performance would justify the investment.
Real-World Testing: Putting Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece to the Test
First Use Experience
My initial testing took place at my usual dark sky location in the mountains, far from city lights. I mounted the Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece on my 10″ Dobsonian telescope and aimed it at the Lagoon Nebula. The view was breathtaking.
Even with some moisture in the air, the nebula filled the entire field of view with stunning detail. The eyepiece required minimal getting used to, thanks to its comfortable eye relief and well-designed optics. The biggest surprise was the sheer size of the field of view, making it feel like I was floating among the stars.
Extended Use & Reliability
After several months of consistent use, the Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece continues to impress. It has proven to be a reliable performer under a variety of conditions. There are no signs of wear and tear on the body or optics.
The eyepiece is relatively easy to clean, requiring only a microfiber cloth and a few gentle wipes to remove dust or fingerprints. Compared to my previous eyepieces, the Explore Scientific offers a significantly brighter and sharper image, especially at the edges of the field of view. It has easily outperformed my expectations.
Breaking Down the Features of Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece
Specifications
- Focal Length: 20mm. This determines the magnification achieved with a given telescope.
- Length: 156mm. The overall length impacts storage and balance within the telescope.
- Width: 70mm. Considerably wide to accommodate large optical elements.
- Weight: 38.1oz (968g). This substantial weight contributes to the solid feel but can affect telescope balance.
- Barrel Size: 2.00″. Fits standard 2″ telescope focusers, allowing for wider light cones and brighter images.
- Eye Relief: 14.5mm. Provides comfortable viewing distance for most users, even with eyeglasses.
- Field Stop Diameter: 34.8mm. Contributes to the expansive 100° apparent field of view.
These specifications are important because they directly impact the viewing experience. The focal length determines the magnification, while the eye relief determines viewing comfort. The 100° field of view offers immersion, and the 2″ barrel maximizes light transmission.
Performance & Functionality
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece excels in delivering a truly immersive and detailed viewing experience. Its accuracy in rendering celestial objects is exceptional, and its reliability in maintaining clear views, even in humid conditions, is noteworthy. The eyepiece has only a small amount of distortion at the very edge of the massive field of view.
The most significant strength is the incredible 100° field of view. A weakness is the hefty weight which may need to be accounted for when balancing a telescope. The Explore Scientific eyepiece easily meets and exceeds expectations for wide-field viewing.
Design & Ergonomics
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece features a robust design using high-quality materials. Its substantial weight adds to its perceived quality, and the smooth, rubberized grip provides a comfortable and secure hold.
The eyepiece is remarkably user-friendly. The generous eye relief allows for comfortable viewing even with eyeglasses. There is little learning curve beyond understanding the massive field of view.
Durability & Maintenance
The nitrogen-purged, waterproof construction suggests excellent long-term durability. Proper care should allow it to last for years. The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece is straightforward to maintain.
Accessories and Customization Options
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece comes with protective caps for both ends. Its standard 2″ barrel ensures compatibility with a wide range of telescopes and filters. No customization options are specifically offered.
Pros and Cons of Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece
Pros
- Incredibly wide 100° field of view for immersive observation.
- Nitrogen-purged and waterproof construction for clear views in various conditions and long-term durability.
- Excellent image sharpness and contrast across the entire field of view.
- Comfortable 14.5mm eye relief, suitable for eyeglass wearers.
- Robust build quality with high-quality materials.
Cons
- The significant weight (38.1oz) may require counterbalancing on some telescopes.
- The high price point ($799.99) may be prohibitive for some amateur astronomers.
Who Should Buy Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece?
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece is perfect for serious amateur astronomers seeking the most immersive and detailed wide-field views possible. It is an excellent choice for observing large nebulae, star clusters, and the Milky Way. This is also perfect for individuals who value build quality and weather resistance in their equipment.
Those on a tight budget or those just starting out in astronomy might want to consider less expensive alternatives. Individuals with very lightweight telescopes may find the eyepiece too heavy to balance effectively. A Barlow lens that maintains a similar field of view might be a must-have accessory for increased magnification.
Conclusion on Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece
The Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece is a premium eyepiece that delivers on its promise of providing an immersive and detailed viewing experience. Its wide field of view, combined with excellent image quality and robust build, makes it a standout product in its class. Despite the high price and considerable weight, the benefits justify the investment for serious stargazers.
The value proposition is strong for those who demand the best possible wide-field viewing experience. I would wholeheartedly recommend it to anyone looking to elevate their astronomical observations. Upgrade your view today and experience the cosmos like never before with the Explore Scientific 20mm 100 Degree Series Nitrogen-Purged Waterproof Eyepiece!