The Explore Scientific 68° Series Argon-Purged Waterproof Telescope Eyepiece is engineered with advanced computer design and features combinations of low dispersion and high refractive index optical glasses. Durable multilayer deposition coatings ensure high contrast, high resolution, and superior flat field characteristics for an immersive viewing experience.
Key Features:
* Focal Length: 20mm
* Barrel Size: 1.25-inch
* Apparent Field: 68°
* Eye Relief: 15.3mm
* Field Stop Diameter: 22.8mm
* Dimensions: Length 69.6mm, Width 50.3mm
* Weight: 8.7oz (247g)
* Design: Argon-purged and waterproof to prevent internal fogging, fungus, and contaminants.
* Eyecup: Removeable and foldable soft silicone rubber eyecup for observer comfort.
* Durability: Each eyepiece is tested in one meter of water for 30 minutes to ensure a perfect seal, maintaining pristine internal elements. Argon's superior inertness and larger atomic structure compared to nitrogen further enhance longevity and sealing integrity.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What is the focal length of the Explore Scientific eyepiece?A: The focal length is twenty millimeters. This specification is crucial for determining the magnification level when used with telescopes.
Q: How heavy is the Explore Scientific eyepiece?A: It weighs eight point seven ounces. This lightweight design ensures ease of use during extended observation sessions.
Q: What are the dimensions of the eyepiece?A: It measures one point ninety-eight inches in length and one point ninety-eight inches in width. Its compact size makes it easy to handle and store.
Q: What is the eye relief of the eyepiece?A: The eye relief is fifteen point three millimeters. This allows for comfortable viewing, especially for those who wear glasses.
Q: What type of materials are used in the Explore Scientific eyepiece?A: The eyepiece features advanced optical glasses with low dispersion and high refractive index. These materials enhance image quality and durability.
Q: How do I use the Explore Scientific eyepiece?A: Simply attach it to a compatible telescope with a one point twenty-five inch barrel size. Align the eyepiece for optimal viewing.
Q: Is this eyepiece suitable for beginner astronomers?A: Yes, it is suitable for beginners. Its user-friendly design and comfortable eye relief enhance the stargazing experience.
Q: Can I use this eyepiece with my existing telescope?A: Yes, it fits standard one point twenty-five inch telescope eyepiece holders. Ensure compatibility before purchase.
Q: How do I clean the Explore Scientific eyepiece?A: Use a soft lens cloth and appropriate lens cleaner. Avoid abrasive materials to maintain the integrity of the coatings.
Q: Is this eyepiece waterproof?A: Yes, it is waterproof. The argon-purged design prevents internal fogging and protects against moisture.
Q: What if my eyepiece arrives damaged?A: Contact customer support for warranty assistance. They will guide you through the return or replacement process.
Q: Does this eyepiece come with a warranty?A: Yes, it typically includes a manufacturer's warranty. Check the specific terms and duration upon purchase.
Q: How should I store the eyepiece when not in use?A: Store it in a dry, cool place. Use a protective case to prevent scratches and damage.
Q: What should I do if the eyepiece fogs up during use?A: Ensure that the seals are intact and the eyepiece is properly fitted to the telescope. If fogging persists, consult customer support.
Q: Is this eyepiece better for deep-sky or planetary viewing?A: It excels in both deep-sky and planetary viewing. The high contrast and resolution enhance the detail in celestial observations.