1. Material: rubber, ABS 2. Magnification: 8X 3. Eyepiece diameter: 12mm 4. Objective lens diameter: 21mm 5. Field of view distance: about 128/1000 meters 6. Exit pupil distance: 10mm 7. Using optical glass lens, multi-layer blue coating process, good light transmittance and high definition 8. The central focusing roller, with rubber protective leather, feels comfortable and easy to focus 9. Lanyard hole design, more convenient to carry 10.FMC multi-layer coating, clear image, true color reproduction 11. Anti-slip stripe design, not easy to slip, more convenient to use 12. Dimensions: 11 x 8.5 cm 13. Net weight: 180 grams
