Basic Info.
Model NO.
simi-finished 1.56 UV420 blue cut HMC
Diameter
70/75mm
Guarantee
3~5 Years
Keywords
Sf 1.56 Blue Light Blocking Lens
Brand
Seesen
Product Description
SEMI-FINISHED 1.56 BLUE CUT 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 |
| 0.5 | 0.56 | 0.202 | 990.2 | 5.25 | 75 | 8 | 13.5 | (-400~-2000)/-600 |
| 2 | 2.12 | 0.76 | 263.567 | 5.25 | 75 | 7.5 | 11.5 | (-200~-325)/-600 |
| 3 | 3.21 | 1.15 | 174.488 | 5.25 | 75 | 7 | 9.5 | (-000~-200)/-600 |
| 4 | 4.26 | 1.53 | 131.483 | 5.25 | 75 | 8 | 9.4 | (+000~+300)/-600 |
| 5 | 5.27 | 1.9 | 106.213 | 5.25 | 75 | 8.5 | 8.5 | (+300~+400)/-600 |
| 6 | 6.38 | 2.31 | 87.135 | 3.5 | 75 | 10.25 | 6.5 | (+400~+500)/-600 |
| 8 | 8.76 | 3.21 | 63.91 | 3.5 | 75 | 13.5 | 7.5 | (+500~+800)/-600 |
| 10 | 11.5 | 4.35 | 48.152 | 3.25 | 75 | 20 | 9 | (+900~+1150)/-600 |
Details
Harmful Effects of High Energy Blue Light
1. Disrupts the Circadian Rhythm
2. Higher risk of certain types of cancer
3. Higher risk of Diabetes, Heart Disease & Obesity
4. Aggravates Depression
5. May induce Myopia
2. Higher risk of certain types of cancer
3. Higher risk of Diabetes, Heart Disease & Obesity
4. Aggravates Depression
5. May induce Myopia
UV PROTECTION
Coating Choices:
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.