Basic Info.
Model NO.
1.59 spin polycarbonate photochromic HMC
Transmission
> 97%
Keywords
Polycarbonate Photochromic Lens
Product Description
Thickness: Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses
---Weight: Polycarbonate lenses are lighter than glass lens, so polycarbonate is more comfortable to wear for long periods of time
1.59 Polycarbonate (pc)
| Product Name | Diameter | Monomer |
1.59 Polycarbonate PC Photochromic HMC Optical Lens | 65/70mm | Polycarbonate |
| Abbe value | Specific Gravity | Power Range |
| 32 | 1.20 | SPH: -6.00~+6.00 CYL: 0.00~-6.00 |
About the Photochromic Lens
| Indoor Protective Lens | Outdoor Protective Lens |
| In the room or at night, the lenses color are basically transparent, the same as the ordinary lenses, like high light transmission performance, relieve visual fatigue,make you see the world more clear. | Lens under the action of ultraviolet light in the sun color, ultraviolet dark color change, deep, shallow light-colored ultraviolet light, isolated from UV damage, anytime, anywhere to protect your eyes. |
UV Protection:
About the Coating:
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 Factory
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.