Basic Info.
Model NO.
1.499 RT-28 Bifocal UC Lenses
Diameter
70/28mm
Transmission
> 97%
Guarantee
3~5 Years
Key Word
1.499 Round Top Bifocal Uncoated Lens
Product Description
| Product Name | 1.499 Round Top Bifocal Uncoated Lens |
| Diameter | 70/28mm |
| Monomer | CR39 |
| Abbe value | 58 |
| Specific Gravity | 1.32 |
| Power Range | Sph:0.00~+3.00 0.00~-1.00 Add:+1.00~+3.00 |
- Round top bifocals are further described by the width of the near segment, measured in millimeters (mm). The most popular RT bifocal is the RT-28, a round top bifocal with a near seg that is 28 mm wide.
Advantages of round-top bifocals:
1. The wearers can see the near things by the round shape and see the distance things by the rest of the lenses.
2. The wearers don't need change two different visions glasses when they both reading book and watching TV.
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.