APEXEL APL-4-12XJJ04 Universal External 4-12X Zoom Telephoto Phone Lens with Tripod

1. Lens coating: multi-layer coating.
2. Lens material: aviation aluminum alloy.
3. Surface treatment: environmental protection anodic oxidation treatment.
4. High refractive index optical glass coating +BK4 high transmission prism combination, good light transmission.
5. Universal removable screw fixing special clip design, suitable for most smart phones, easy to operate and convenient.