SVBONY Telescopes Eyepiece 15mm 68 Degree Ultra Wide Angle Bundle with Barlow Lens 2X SV221 90 Degree Diagonal Mirror

SVBONY telescope eyepiece 15mm, 68 degree ultra wide angle eyepiece provide you a extremely large field of vision perfect to observe the moon star clusters and the milky way. Internally blackened eyepiece barrel to avoid internal reflection and provide a crisp image. FMC(fully multied coating) film can reduce the reflection and refraction of light and enhance the transmission of light. 4 Lenses in 3 Groups:Multiple group lens combination to improve optical performance and deliver sharp image. SVBONY eyepiece 68° is suitable for any 1.25 inches telescope, diagonal mirror and telescope accessories. Standard 1.25 inches filter thread, can be used to connect moon filters, planetary filters and other telescope filters to obtain clearer and more contrasty images. 17mm Eye Relief: You can really put you eye up to the lens without your eyelashes getting in the way. If you are looking for a wider field of view of the night sky then this eyepiece is great for that. If you need moderate magnification for planetary objects and globular clusters, within its intended use of moderate magnification of non-dso objects, it does the job admirably. High magnification for eyepieces to see more details of the moon; bands of Jupiter clearly; SVBONY 2x barlow lens is a better choice. Completely multi-coated and pure optical glass lens for optimum image brightness high contrast.Clear and bright images can be obtained for moon, stargazing, etc. Cemented doublet optic structure reduce the chromatic aberration with the increase of magnification. The SV221 diagonal mirror can protect the eyepiece from being scratched and not damage the service life of the eyepiece. The SV221 diagonal mirror has M28.5x0.6mm thread, standard thread size, you can install 1.25 inch filter. Use the SV221 zenith mirror to obtain an upright image and an upside-down image.

• 15mm eyepiece; medium magnification focal length; Ideal for viewing large deep sky objects in medium to short focal length telescopes; and also ideal for viewing lunar and planetary details in medium to long focal length telescopes
• 68 degree ultra wide angle tlescope eyepiece; provides a relatively wide apparent field of view; offers a wide and immersive viewing experience suitable for a range of celestial observations; including planets; the Moon; star clusters; and nebulae
• 2X barlow lens adopts 2 element one group broadband green film multi coated optical glass; the housing is blackened to maximize image contrast; both that make image more crisp and sharp without additional chromatic aberration
• Enhanced Aluminum Die; the SV221 diagonal mirror is designed with enhanced aluminum mold; which has higher light transmittance and clearer vision
• 90 degrees design; the SV221 diagonal mirror 90 degrees deflection angle design; you don't have to bend over when performing visual observation; and the observation experience is more comfortable