Basic Info.
Model NO.
semi-finished 1.56 photochromic progressive HMC
Diameter
75/12&14mm
Transmission
> 97%
Guarantee
3~5 Years
Keywords
Sf Photochromic Progressive Lens
Brand
Seesen
Product Description
Progressive lenses, on the other hand, have many more lens powers than bifocals or trifocals, and there's a gradual change in power from point to point across the surface of the lens. SEMI-FINISHED 1.56 PHOTOCHROMIC PROGRESSIVE HMC LENS
| MATERIAL REFRACTIVE INDEX = 1.552 TOOLING INDEX = 1.530 | |||||||||||
| Diameter | Nominal Curve | T.C | Rad | Back Curve | E.T | C.T | MRP Dec. | Seg Inset | Sag | ADD Range | RX Range Recommened |
| (50mm) | |||||||||||
| 70mm | 125 | 1.16 | 456.89 | 6 | 11 | 6 | 3 | 3 | 0.68 | 1.00-3.50 | -4.25D/-8.00D |
| 70mm | 325 | 3.2 | 165.63 | 6 | 8.5 | 6 | 3 | 3 | 1.9 | 1.00-3.50 | -4.00D/-0.75D |
| 70mm | 550 | 5.54 | 95.67 | 6 | 8.5 | 6 | 3 | 3 | 3.32 | 1.00-3.50 | -0.50D/+2.25D |
| 70mm | 750 | 7.57 | 70.01 | 6 | 8.5 | 6 | 3 | 3 | 4.61 | 1.00-3.50 | +2.75D/+6.00D |
Details:
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.