Basic Info.
Model NO.
CR39 progressive uc lens
Corridor Length
14/17mm
Keywords
Progressive Multifocal Lenses
Brand
Seesen
Product Description
What are progressive lenses?
Progressive lenses are no-line multifocal eyeglass lenses that look exactly the same as single vision lenses. In other words, progressive lenses will help you see clearly at all distances without those annoying (and age-defining) "bifocal lines" that arevisible in regular bifocals and trifocals.
1.499 UC progressive optical lenses
| Product Name | Diameter | Monomer |
| 1.499 UC progressive optical lenses | 75MM | CR39 |
| Abbe value | Specific Gravity | Power Range |
| 58 | 1.32 | SPH 0.00 To+3.00 0.00~ -4.00 ADD: +1.00 To+3.50 |
Details:
Progressive lens benefits
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 |
Coating Choices:
Custom Service
About the Factory
About the Delivery
| 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. | ||
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.