With a 25mm focal length, this SVBONY 1.25 inche telescope eyepiece provides moderate magnification suitable for various celestial objects, including star clusters, the Moon, and planets. Suitable for broad field lunar observations. 40 degree telecope eyepiece can provide enough detail for bright celestial bodies (such as the moon and planets) to focus on the details without introducing too much distortion. Suitable for beginners to find the moon, stars and other observation targets. Plossl optical glass lens eyepiece, gets excellent aberration correction, extremely high resolution. SVBONY 68-degree ultra-wide-angle 6mm eyepiece has a comfortable and wide field of view, suitable for planetary observation; the 68-degree ultra-wide-angle field of view allows for a broad view of the moon, star clusters, and the Milky Way, and also helps locate and track celestial bodies. 6mm eyepiece can reveal fine features that would be missed with lower magnifications. The 68 field of view of the eyepiece allows you to view a wider range of the night sky. The 1.25-inch lens barrel is equipped with m26.5*0.6 standard internal thread, which can accommodate standard 1.25-inch filter lenses.