1, Lens focal length 28mm.
2, Lens type: with stripes.
3, Lens molding integrity, no missing material, flying edge, scratches, shrinkage pit, rust,
Blow-up, yellowing, deformation and other defects; no bubbles, gas lines, black dots over the limit samples.
line, black spot.
4、Surface roughness:Ra0.2
Requirements for Banned Substances in Automobiles; 5, meet GB/T 30512
6、Unlabeled dimensions see three-dimensional data.
