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