APEXEL APL-20-40XJJ04 20-40X HD External Dual-adjustment Zoom Telescope Universal Telephoto Phone Lens

1. Model: APL-2040XJJ04
2. Optical magnification: 20X-40X
3. Viewing angle: 4.4 degrees -8.8 degrees
4. Lens structure: 8 elements in 5 groups
5. Lens coating: multi-layer coating
6. Focusing range: 5 meters and above
7. Lens interface: M17xP0.75
8. Lens material: aluminum alloy + plastic
9. Lens length: 178mm