Material: Metal + Optical Amplification Coefficient: 3X Interface: 1.25 inch/31.7 mm Height: Approx. 80mm Color: BlackPackage Including:1 x 3X Metal Barlow Lens The Shell Was Made of Aluminium Alloy, Sturdy &Durable For Long Time Use. It is Easy to Install, Place The Eyepiece of in the Barlow Lens Then Insert the Barlow Lens into the Frame. Discover a wide selection of telescope must-haves, including various eyepieces, Barlow lenses to double your magnification, and moon filters for comfortable lunar viewing. Our team will provide 24-hour support to help you choose the right accessories and is always committed to ensuring your satisfaction with every product. ASIN B0GLF1LP6Y Brand TYLQMY Focus Type Auto Focus Model Name TYLQMY Finderscope Reflex Manufacturer TYLQMY Model Number TYLQMY Number of Items 1 Objective Lens Diameter 1 millimeters Manufacturer Part Number TYLQMY Item Dimensions D x W x H 0.39 D x 0.39 W x 0.39 H