This Astromania 1.25" 20mm 58-Degree Planetary Eyepiece is designed for detailed planetary observation, also suitable for deep sky objects. It delivers maximum detail and definition with a 58-degree field of view, effectively minimizing lateral color aberration and light scatter.
Features:
* **Optimal Optical System:** Primarily for planetary observation of the Moon, Jupiter, Mars, and Saturn, providing high-contrast imaging. Also effective for deep sky objects.
* **Durable Construction:** Made from aluminum for lasting durability.
* **Elaborate Design:** Features a rotatable eyepiece barrel and a convertible rubber eyecup to prevent stray light. Lens edges are blackened, and the internal structure is treated to eliminate stray light.
* **Standard Compatibility:** Equipped with a standard 1.25-inch barrel, compatible with any telescope focuser of the same size. The 1.25-inch female thread allows connection with telescope filters or other 1.25-inch accessories.
* **Wide Field of View:** Offers a comfortable eye relief of approximately 16mm and a wide 58-degree apparent field of view.
* **Multi-Coated Lenses:** The 20mm eyepiece has 5 lens elements in 4 groups. Each lens surface is multi-coated to ensure high transmittance, high contrast ratio, and minimal lateral chromatic aberration and scattering phenomenon.
⚠️ 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 are the dimensions of the Astromania eyepiece?A: The dimensions of the Astromania eyepiece are four point thirteen inches in length, two point five inches in width, and two point two inches in height.
Q: What type of lens does the Astromania eyepiece use?A: The Astromania eyepiece uses a multi-coated lens design with five lens elements in three groups, ensuring high transmittance and contrast.
Q: What is the focal length of the eyepiece?A: The focal length of this eyepiece is twenty millimeters, specifically designed for planetary observation.
Q: How do I use the Astromania eyepiece with my telescope?A: To use the Astromania eyepiece, simply insert it into the one point two five inch focuser of your telescope and secure it.
Q: Is the Astromania eyepiece suitable for beginners?A: Yes, the Astromania eyepiece is suitable for beginners as well as experienced observers, offering excellent optical quality.
Q: Can this eyepiece be used for deep sky observations?A: Yes, while primarily designed for planetary observation, the Astromania eyepiece is also great for deep sky objects.
Q: How do I clean the eyepiece?A: To clean the eyepiece, use a soft, lint-free cloth and lens cleaner. Avoid using harsh chemicals or abrasive materials.
Q: Is the Astromania eyepiece durable?A: Yes, it is made of aluminum material, which makes it durable and long-lasting for regular use.
Q: What is the exit pupil distance of the eyepiece?A: The exit pupil distance of the Astromania eyepiece is sixteen millimeters, providing comfortable eye relief.
Q: How should I store the eyepiece when not in use?A: Store the eyepiece in a dry, cool place, preferably in its original case to prevent dust and scratches.
Q: What if the eyepiece arrives damaged?A: If the eyepiece arrives damaged, contact customer service for support and potential replacement options.
Q: Is there a warranty for the Astromania eyepiece?A: Yes, the Astromania eyepiece typically comes with a warranty. Please check the specific terms provided by the retailer.
Q: Can I use filters with this eyepiece?A: Yes, the Astromania eyepiece has a one point two five inch female thread, allowing compatibility with various filters.
Q: What makes this eyepiece a good gift choice?A: The Astromania eyepiece is cost-effective and perfect for astronomy enthusiasts, making it an excellent gift for birthdays or holidays.
Q: Does the eyepiece minimize chromatic aberration?A: Yes, the Astromania eyepiece is designed to minimize lateral chromatic aberration, providing sharp and high-contrast images.
Q: What is the field of view of the Astromania eyepiece?A: The field of view of the Astromania eyepiece is fifty-eight degrees, allowing for a broader view during observations.