SVBONY Telescope Eyepiece 9mm Bundle with Eyepiece 6mm, Set 66 Degree Ultra Wide Angle Eyepiece, 1.25 inches Telescope Accessories for Astronomical Observations

9mm focal length and 66 degree ultra wide angle provide an amazing magnification and broad vision,perfect for lunar observations,medium sized star clusters, especially for deep sky targets.Clear and crisp image: FMC(fully multied coating) green film can reduce the reflection and refraction of light and enhance the transmission of light；6 Lenses in 4 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. Relatively high-power 6mm focal length telescope eyepiece with myriad uses is a welcome addition to any astronomer's accessory case. Folding down and removable rubber eye guard for wearing glasses and comfortable viewing as well as blocking stray light to increase the brightness of image

• 9mm telescope eyepiece; 9mm provides high magnification; enjoy the lunar craters and lunar seas up close; analyze more planetary details such as Saturn's rings; also used to resolve double stars; showing their separation and colors
• 6mm focal length; high magnification detailed observation; 6mm eyepiece can reveal intricate features such as surface detail on the Moon; cloud bands on Jupiter; or the rings of Saturn
• Wide observation field; 66 degree field of view eyepiece; enjoy a wide range of night sky at a glance; such as medium-sized star clusters; various cloud-like nebulae and other deep sky targets; also suitable for large-scale lunar observations
• 1.25" eyepiece barrel; fits 1.25" telescopes and telescope accessories; such as barlow and mirror diagonal; filter thread inside the eyepiece barrel; can fit 1.25-inch filters
• FMC coating; the multiple layers of anti-reflective coating significantly reduce reflections and glare on the glass surfaces; improve light transmittance; help maintain the brightness of celestial bodies; enhance contrast and color fidelity in observed images