Features: Aluminum alloy body with black anodized surface is precision machined, stable and durable for a long time use. 5X magnification with 1.25 inch interface increases the magnification of any 1.25 inch eyepiece and also can provide comfortable viewing. It allows you look more closely and more detailed at the moon's surface and other planet. Multi coated optical lens offers a high quality observation without additional additional chromatic aberration, and making image more clear and sharp. Easy to use: simply insert the eyepiece into Barlow lens, and then insert the Barlow lens into the scope. M42 x 0.75mm thread works as a t adapter and can be attached to DSLR or SLR camera via a separate ring adapter. Specification: Condition: 100% Brand New Material: Aluminum Alloy Color: Black Barrel Size: Standard 1.25in(31.7mm) Thread Interface: M42 * 0.75 Magnification Factor: 5X Length: Approx. 85mm / 3.3in Weight: Approx. 111g Packing List: 1 x Barlow Lens