1. Large eyepiece, wide field of view, precise focusing, long-term viewing is not easy to fatigue, no dizziness 2. With lanyard, light and portable, beautiful and durable 3. Central focus wheel, can be adjusted with one hand 4. Glass clear lens, high definition, more realistic color reproduction 5. Objective lens: 30mm 6. Magnification: 4 times 7. Material: natural rubber 8. Dimensions: 11 x 4 x 8.5 cm 9. Weight: 100 grams
