| Customization: | Available |
|---|---|
| Function: | for Presbyopic, for Astigmia, UV Protection, for Myopia |
| Material: | Nk55, Imported From Japan |
|
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| Product Name | 1.56 Photochromic Progressive Lens |
| Diameter | 70, 75/12&14MM |
| Monomer | NK55 (imported from Japan) |
| Abbe value | 42 |
| Specific Gravity | 1.16 |
| Power Range | Sph:-2.00~ +3.00 ADD: +1.00~+3.00 |
| Guarantee | 3~5 year |
| 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. |
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 |
| Choice 1 | ||
| Envelope | Carton | Size |
| White Envelope | Stand Export Carton | 38cm*48cm*35cm |
| Choice2 | ||
| You design with your logo | ||
| Type | Lenses Pair | Weight |
| Finished lens | about 500 pairs | 20KGS |
| Semi-finished lens | about 100pairs | 15KGS |
| Lead time | Depend on the quality | |
| Depend on the quantity | We can choose for you or offer us your cooperative company | |
| All the numbers provided above are estimated number, the actual numbers need to be measured according to the order you make. | ||
Q. How many days will samples be finished? How about mass products?
A. Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.
Q. How can I get sample from you?
A. Just send us your requirements, then we will send samples accordingly.
Q. What is the MOQ of optical lens?
A. No MOQ for customer if optical lens is in stock.
Q. How do you control lens quality?
A. Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.
Q. How about your optical lens production ability per day?
A. About 20000 pairs/day.
Q. Are you a factory?
A. Yes, we are a professional optical lens manufactruer in China, and have a factory in Danyang city, Jiangsu province.
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