Astromania Telescope Eyepiece 20mm, Wide Angle 58 Degree Apparent Field Planetary Eyepiece for 1.25 inch Astronomy Telescope & Filter, Fully Multi-Coated Telescope Accessory for Planetary Observation
Book Details
Author(s)
Astromania
Publisher
Astromania
ISBN / ASIN
B013SBTMJW
ISBN-13
978B013SBTMJ6
Availability
Only 16 left in stock - order soon.
Sales Rank
#68
Category
Electronics
Marketplace
United States 🇺🇸
Description
- Excellent Optical System: Designed primarily for planetary observation and great for deep sky objects too; aluminum material is used to make it last longer; a cost-effective eyepiece; it is also an excellent choice for birthdays and Christmas gifts
- Elaborate Detailed Design: Equipped with an rotated eyepiece barrel and a convertible rubber eyecup for preventing stray light entering from the side; the edges of the lenses are blackened and the internal structure is treated to eliminate stray light
- Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories
- Wider 58 Degree Field of View: Comfortable eye relief averaging 16 mm across the series and focal lengths is between 2.5 mm to 25 mm; giving maximum detail and definition across the entire 58 degree field of view
- Multi-coated Lense Design: Each eyepiece has 5 lens elements in 3 groups; with retaining high transmittance and contrast ratio with least lateral cchromatic aberration and scattering phenomenon; having a wide view
