LUXUN 8-24X30 Shimmer Night Vision Single-Cylinder Variation Telescope 1. Material: ABS, metal 2. Function: zoom, scalable 3. Magnification: 8-24x 4. Objective lens diameter: 30mm 5. Eyepiece diameter: 15mm 6. Field of view angle: 2.6-4.6 degrees 7. Field of view range: 45.5-80.5M1000M 8. Exit pupil diameter: 1.2-1.7mm 9. Exit pupil distance: 17-14mm 10. Nearest focal length: 3m 11. Lingjing System: BAK4 12. Dimensions: 4.4 x 4.4 x 12.7 cm 13. Metal screw interface, more durable; lanyard design, easy to carry 14. Anti-skid horizontal bar design focusing hand wheel, not easy to slip 15. The objective lens adopts a multi-layer composite broadband coating, which can be viewed in low light conditions 16. The eyepiece adopts multi-layer composite broadband green film and all-optical glass lens for more comfortable viewing Packing List: Sight glasses x1 Lanyard x1 Carrying bag x1