Basic Info.
Model NO.
SF 1.56 Blue Cut Progressive HMC
Specific Gravity
1.28
Coating Choice
UC, Hc, Hmc, Shmc, Green, Blue
Power Range
Sph: 0.00~+3.00 0.00~-2.00 Add: +1.00~+3.00
Diameter
75/12&14mm
Transmission
> 97%
Guarantee
3~5 Years
Key Word
Sf 1.56 Blue Cut Progressive Lens
Trademark
Seesen
Origin
Danyang, China
Product Description
SEMI-FINISHED 1.56 BLUE CUT PROGRESSIVE LENS
| MATERIAL REFRACTIVE INDEX = 1.56 TOOLING INDEX = 1.530 | ||||||||
| Diameter | Nominal Curve | Front Radius | Front Curve | Rear Curve | E.T | C.T | Front Sag Ring 50mm | RX Range Recommened |
| 75mm | 100B | 378.57 | 1.40 | 5.00 | 15.00 | 9.00 | 0.53 | -3.25~-6.00 |
| 75mm | 300B | 155.88 | 3.40 | 5.00 | 8.65 | 6.50 | 2.02 | -1.00~-3.00 |
| 75mm | 500B | 92.98 | 5.70 | 5.00 | 7.50 | 9.20 | 3.42 | +0.25~+3.00 |
Progressive lens benefits
Progressive lenses have many more lens powers than bifocals.The multifocal design of progressive lenses offers these important benefits:
1.Progressive lenses provides clear vision at all distances.
2.Because there are no visible "bifocal lines" in progressive lenses, they give you a more youthful appearance than bifocals
3.The power of progressive lenses changes gradually from point to point on the lens surface.
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.