1. It can be expanded to 100 degrees after using a wide-angle filter 2. Anti-fouling, anti-scratch coating 3. Non-destructive quick disassembly and assembly 4. Ultra-light and strong, stable flight 5. Optical glass, high-definition grinding 6. Frame material: lightweight aluminum 7. Mirror material: multi-layer coated optical glass 8. Size: about 19.8 x 15.8 x 7mm 9. Note: the drone in the picture is not included in the shipment
