Features:1. High-definition all-optical lens, the image is brighter and more transparent2. FMC multi-layer full broadband coating3. Reinforced ABS lens body, wear-resistant and fall-resistant4. One-hand focus adjustment, light, convenient and easy to operate5. Multi-layer coating large objective lens design, more light intake, clear vision6. Wide field of view, more comfortable viewingProduct parameters:1. Objective lens diameter: 40mm2. Eyepiece diameter: 23mm3. Prism system: roof prism4. Eyepiece and objective lens coating: anti-reflective green film5. Product weight: about 300 grams?
