- Material: Aluminium alloy for long life and durable use - Secure mounting: Fixed tightly with 6 metal locking screws for reliable stability - Universal base: Base size fits different astronomical telescopes - Eyepiece adjustment: Allows adjusting the eyepiece location to achieve a sharper image - Broad compatibility: Supports all types of telescopes, including reflector and refractor; suitable for observing star clusters, the Moon, planets, and other celestial bodies Use scenarios - Refractor telescopes for planetary and Moon viewing: adjust eyepiece location to sharpen details and improve contrast - Reflector telescopes for deep-sky viewing: universal base ensures compatibility across models and aids stable observation of star clusters and other objects - Educational or backyard astronomy: easily swap between different telescope types with a single adaptable base for demonstrations and casual observing