1、2X magnification with 25‑inch interface, increasing magnification of any 25‑inch eyepiece and providing comfortable viewing effect. 2、Fine workmanship, suitable for 25 inch/37mm astronomical telescope. 3、It allows you to get closer, more detailed view of the moon surface and other planets. 4、Provides more magnification without reducing the exit holes in the eyepiece and maintains comfortable field of view. 5、Made of high quality metal and optical glass material, sturdy, durable and long service life. 1 x 2X Magnification Eyepiece2 x Dustproof Cover Condition: 100% Brand NewItem Type: 2X Magnification EyepieceMaterial: Metal + Optical GlassColor: BlackLens Coating Film: Green FilmMagnification: 2XWeight: Approx. 88gInterface Size: Approx. 31.7mm/ 1.25inchProvided Front Rear Dustproof Cover