Astromania Telescope Eyepiece 25mm, Wide Angle 58 Degree Apparent Field Planetary Eyepiece for 1.25 inch Astronomy Telescope & Filter, Fully Multi-Coated Telescope Accessory for Planetary Observation

Astromania Telescope Eyepiece 25mm, Wide Angle 58 Degree Apparent Field Planetary Eyepiece for 1.25 inch Astronomy Telescope & Filter, Fully Multi-Coated Telescope Accessory for Planetary Observation

• 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