Basic Info.
Model NO.
1.56 photochromic HMC EMI
Refractive
1.56
Diameter
65/70mm
Brand
Seesen
Product Description
1.56 Photochromic Lens
| Product Name | 1.56 Photochromic Lens |
| Diameter | 65/70MM |
| Monomer | NK55 (imported from Japan) |
| Abbe value | 42 |
| Specific Gravity | 1.16 |
| Power Range | SPH: -20.00~+11.00 CYL: 0.00~-6.00 |
| Guarantee | 3~5 year |
Details:
About the Coating
Hard coating make the uncoated lenses are easily subjicted and exposed to scratches
AR coating protect the lens effectively from reflection, enhance functional and charity of your vision.
Super hydrophobic coating make the lenswaterproof, antistatic, anti slip and oil resistance.
Comparison of physical properties of lenses
| MR-8 | MR-7 | MR-174 | Polycarbonate(PC) | NK-55 | CR39 | |
| Referactive Index | 1.61 | 1.67 | 1.74 | 1.59 | 1.56 | 1.49 |
| Abbe Value | 41 | 32 | 33 | 32 | 37.5 | 58 |
| Specific Gravity | 1.30 | 1.35 | 1.47 | 1.20 | 1.28 | 1.32 |
| Diameter | 65/70/75 | 65/70/75 | 65/70/75 | 65/70/75 | 55/60/65/72 | 55/60/65/70 |
| Impact Resistance | Good | Good | Good | Good | Good | Good |
| Static Load Resistance | Good | Good | Good | Good | Good | Good |
About Our Company:
FAQ:
1. Are your company a manufacturer or a trade company?
We are a manufacturer with many years exporting experience. Our factory is located in Jiangsu province.
2. Can your products be customized?
We accept OEM &ODM orders. Actually most of our products are customized. We will try our best to fulfill your requirements about the material, the size, the printing.
3. How can I get sample from you?
Just send us your requirements, then we will send samples accordingly.
4. How many days will samples be finished? How about mass products?
Generally, we need 5-7 days to finish the sample production.As for the mass products, it depends on your order quantity.
5. How do you control lens quality?
Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.