5 Second Darken Semif Inished 1.56 Transition/photochromic Optical Lens
5 second darken 1.56 semi finished transition/photochromic optical lens blanks
| Place of Origin | CN;JIA |
| Brand Name | AoGang |
| Material | NK55 |
| Usage | Optical |
| Shape | Spherical |
| Refractive index | 1.56 |
| Diameter | 65/70MM |
| Abbe value | 42 |
| Specific Gravity | 1.16 |
| Transmission | > 97% |
| Coating | UC |
| Color | Photochromic Grey or Brown |
| Guarantee | 5-year |
| Power range | SPH: 0~ -6.00, 0.25~ +6.00 CYL:0~-6.00 |





A1.Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.
Q2.How can I get sample from you?
A2.Just send us your requirements, then we will send samples accordingly.
Q3.What is the MOQ of optical lens?
A3. No MOQ for customer if optical lens is in stock.
Q4.How do you control lens quality?
A4.Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out . Four times quality checking during production process.
Q5. How about your optical lens production ability per day?
A5.About 20000 pairs/day.

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