1. Material: rubber, ABS 2. Magnification: 30X 3. Exit pupil distance: 11mm 4. Exit pupil diameter: 3mm 5. Field of view: 126/1000m 6. Proximity: 3m 7. Focusing type: central focusing system + fine-tuning of the right eyepiece 8. Objective lens coating: multi-layer optical red film, blue film, good eye protection and brightening effect 9. Eyepiece coating: anti-reflection optical film, clear and comfortable vision 10. Shrinkable design, save space, more convenient to carry 11. Size: 9 cm long
