The telescope is suitable for indoor and outdoor use, portableproduct descriptionReliable night prisms provide the highest light transmission.The phase adjustment of the top edge prism brings maximum resolution.The structural improvement reduces the interference of stray light and has the most contrast.Rubber shell, with noise reduction and anti-shock effect.Made of fiber-reinforced plastic body, lightweight and sturdy.Removable swivel eyecup with fixed telescoping position (the eyepiece tube can be pulled out 0-4-8-12 mm respectively), which is suitable for eyewear wearersLockable diopter adjustment is used to balance the parallax of the left and right eyes.Product parameters1. Magnification: 8 times.2. Effective objective lens caliber: 26mm.3. Coating: Anti-reflection multilayer lotus coating.4. Field of view at 1000m: 115m.5. Pupil diameter: 2.5mm.6. Focusing range: + 14/-8dpt.7. Dusk coefficient: 12.65.8. Brightness: 6.25.9. Shortest visible range: 3M.10. Size: L102 * 32mm.11. Battery life: more than 10,000 measurements at room temperature.12. Ranging range: 10-1100 meters.13. Measurement accuracy: 1 meter.14. Measurement time: up to 1 second.15. Battery: One 3V CR2 lithium battery.16. Battery life: more than 10,000 measurements at room temperature.