Basic Info.
Model NO.
semi-finished 1.56 single vision HMC
Diameter
65/70mm
Transmission
> 97%
Guarantee
3~5 Years
Keywords
Semi-Finished 1.56 Single Vision Hmc
Brand
Seesen
Product Description
What is Semi Finished Lens?
Semi-finished lens is the raw blank used to produce the most individualized RX lens according to thepatient's prescription. Different prescription powers request for different semi-finished lens types or base curves.
SEMI-FINISHED 1.56 SINGLE VISION HMC
| MATERIAL REFRACTIVE INDEX = 1.56 TOOLING INDEX = 1.530 | ||||||||
| Nominal Curve | T.C | Sag | Rad | Back Curve | Diameter | C.T | E/T | RX Range Recommended |
| 0.50 | 0.56 | 0.202 | 990.2 | 5.25 | 75 | 8.0 | 13.5 | (-400~-2000)/-600 |
| 2.00 | 2.12 | 0.760 | 263.567 | 5.25 | 75 | 7.5 | 11.5 | (-200~-325)/-600 |
| 3.00 | 3.21 | 1.150 | 174.488 | 5.25 | 75 | 7.0 | 9.5 | (-000~-200)/-600 |
| 4.00 | 4.26 | 1.530 | 131.483 | 5.25 | 75 | 8.0 | 9.4 | (+000~+300)/-600 |
| 5.00 | 5.27 | 1.900 | 106.213 | 5.25 | 75 | 8.5 | 8.5 | (+300~+400)/-600 |
| 6.00 | 6.38 | 2.310 | 87.135 | 3.50 | 75 | 10.25 | 6.5 | (+400~+500)/-600 |
| 8.00 | 8.76 | 3.210 | 63.91 | 3.50 | 75 | 13.5 | 7.5 | (+500~+800)/-600 |
| 10.00 | 11.50 | 4.350 | 48.152 | 3.25 | 75 | 20.0 | 9.0 | (+900~+1150)/-600 |
Details
Seesen 1.56 series lenses use th of imported NK-55 monomer, the longest history of resin material and the most widely sold lens in middle level country. This determines that Aogang 1.56 series lenses have the most outstanding optical features:
Hardness: One of the best quality in hardness and toughness, high impact resistance.
----Transmittance: One of the highest transmittance as compared with other index lenses.
----ABBE: One of the highest ABBE value providing the most comfortable visual experience.
Advantages:
About the Coating: 
About the Custom Service: 
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.