- 16mm focal length, F1.8 large aperture.
- Optical construction of 15 elements in 12 groups, including 4 ED lenses and 3 aspheric lenses.
- HD Nano multilayer coating with water-resistant and antifouling coating.
- Electronic aperture, internal focus, constant lens length.
- Noiseless STM focus motor.
- Precision metal structure. Dust-proof.

















