1, Lens focal length 37mm;.
2, Lens type: HD;.
3, lens molding integrity, no missing material, flying edge, scratches, shrinkage pits, rust, cracking, yellowing, deformation and other defects; no more than the limit samples of bubbles, air lines, black spots;
4, surface roughness: Ra0.2
5, abrasion resistance: the experimental piece on the abrasion machine, using CS-10F specifications
Abrasive wheel, load 500g of pressure, round-trip 1000 times, and then determine the wheel contact parts of the haze, the haze before and after the experiment as a conclusion of the abrasion resistance test, to be
HZ<3.5.
6、Satisfy BT/SCMWJ0849-2015 “Automobile Banned Substances Requirements”.
7、See three-dimensional data for details of unlabeled dimensions.
