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.- Fully multicoated optics with blackened edges for good light transmission and minimal reflections- 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 T adapter and can be attached to DSLR or SLR camera via a separate ring adapter.Specification:Condition: 100% Brand NewMaterial: Aluminum AlloyColor: BlackBarrel Size: Standard 1.25in(31.7mm)Thread Interface: M42 * 0.75Magnification Factor: 5XLength: Approx. 85mm / 3.3inWeight: Approx. 111gPacking List:1 x Barlow Lens [Premium Quality]: Aluminum alloy body with black anodized surface is precision machined, stable and durable for a long time use. [Specification]: 5X magnification with 1.25 inch interface increases the magnification of any 1.25 inch eyepiece and also can provide comfortable viewing. [Fitment]: M42 x 0.75mm Threaded for use with 1.25 inch telescope eyepiece filters [Good Performance]: 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 [Premium Quality]: Aluminum alloy body with black anodized surface is precision machined, stable and durable for a long time use. [Specification]: 5X magnification with 1.25 inch interface increases the magnification of any 1.25 inch eyepiece and also can provide comfortable viewing. [Fitment]: M42 x 0.75mm Threaded for use with 1.25 inch telescope eyepiece filters [Good Performance]: 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