SVBONY Telescope Eyepiece 20mm 66° Wide Angle Bundle with Telescope Eyepiece 40mm Plossl Eyepiece 40 Degree Apparent Field, for Astronomical Observations

Clear and crisp image: FMC(fully multied coating) green film can reduce the reflection and refraction of light and enhance the transmission of light; 5Lenses in 3 Groups:Multiple group lens combination to improve optical performance, and delivers sharp images with good color correction and contrast; --Blackened lens edges and internally blackened eyepiece barrel to avoid internal reflection and provide a crisp image. Lens with different focal lengths and different structural designs that ensure you have a clear and crisp image , and a perfect observation experience. 20mm focal length fit for observing the lunar surface planets binaries and bright nebula interior,especially for deep sky targets. The SVBONY super 1.25" 40 mm plossl eyepiece engineered with 4 element design and offers a generous 40 degree apparent field of view. It is awesome for perusing the sky and finding things like constellations, clusters, and galaxies in the field of view. The field of view of the highly achromatic lens is more realistic, allowing you to see more details. Lens edges are blackened to reduce scattering of stray light and maximize contrast. Soft and Removable Eyecup. The built in rubber eye guard enhances viewing by helping to block out ambient light and position no introduction of additional color for higher magnification;highly achromatic 1.25 telescope eyepiece; Effectively reduce chromatic aberration and improve imaging clarity. enhance the details of planetary filters.It can be removed for eyeglass wears and astronomy photography.

• 66 degree AFOV perfects for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets with extra sharpness
• Generous 20mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view
• SVBONY 40mm Plossl eyepiece is engineered with 4 element design and offering a generous 40° apparent field of view; perfect for broad field lunar observations; medium sized star clusters; provide a wide range of cloudy nebulas and deep sky targets
• Fully multi-coated lens telescope eyepiece with all black interior design; no introduction of additional color for higher magnification; highly achromatic; enhance details of Jupiter; Saturn;Mars; Venus and planetary filters
• 1.25” telescope eyepiece; standard 1.25" barrel for any 1.25'' diameter telescopes and telescope accessories; M28.5x 0.6 filter thread for 1.25inch filter; 1.25'' astronomy filters and fold down rubber eyeguard for comfortable viewing as well as blocking stray light