FEIRSH 12x50 High-definition Night Vision Monoculars 1. Purpose: civilian tescope 2. Magnification: 12 times 3. Eyepiece: 18mm 4. Objective lens: 50mm 5. Coating: FMC Broadband Green Film 6. Prism: BAK 77. Mirror body: metal + environmentally friendly rubber 8. Whether night vision: low-light night vision, non-infrared, that is, there is a weak light source around the observed object, the stronger the light, the clearer you can see 9. Contains a swiv-up eye mask, which fits the e in a wide range, and can be used by people who wear gles and who do not wear gles. 10. Double focusing system, easy and convenient, can be adjusted with one hand 11. FMC green film, improve the light transmittance of the lens, and ensure that the scene is clear and bright 12. It can be connected to the bracket photo clip, and use the mobile phone to take pictures and video (not including photo clip and bracket) 13. Dimensions: 150x50x43 mm 14. Weight: 249 grams