1. Multi-layer coating 2. 17mm tooth pattern 3. Pure optical glass 4. Magnification: 10 times 5. Structure: 5 pieces in 4 groups 6. Applicable brand: general 7. Focus distance: 40-75mm 8. Really close to SLR shooting effect 9. The position of the clip and the lens are accurately positioned and can be rotated and installed 10. Net weight: 48g 11. Specifications: 12.5x10x6.6cm