SVBONY 9mm Telescope Eyepiece | 66 Degree Ultra Wide Angle, 1.25 inch Barrel, Fully Multi-Coated

• 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
• 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
• 6 elements in 4 groups: multiple lens groups improve optical performance; plus the lenses are fully multi-coated; this SVBONY eyepiece provides clear images with good color correction and contrast
• Design to reduce stray light; the edge of the telescope eyepiece lens is blackened; the internal blackening treatment is mastered to reduce the scattering of stray light; make the image brighter
• 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

• Remove the dust cap from the eyepiece and the telescope's focuser. Gently slide the 1.25-inch barrel of the SVBONY eyepiece into the telescope's focuser tube until it is securely seated. — Attach to Telescope
• Use the thumbscrews on the telescope's focuser to gently tighten and secure the eyepiece in place. Ensure it is snug but do not overtighten to avoid damaging the barrel. — Secure the Eyepiece
• Look through the eyepiece and adjust the telescope's focuser knob slowly until the image of your target (e.g., Moon, planet, star cluster) is sharp and clear. Adjust the rubber eye guard for comfortable viewing. — Focus on Celestial Objects
• If using a 1.25-inch filter (e.g., moon filter), screw it onto the threads located at the bottom of the eyepiece barrel before inserting the eyepiece into the focuser. This enhances contrast for specific observations. — Use Filters (Optional)

Typical situations where SVBONY 9mm Telescope Eyepiece | 66 Degree Ultra Wide Angle helps — illustrative scenarios, not customer reviews.