Simi-Finished 1.56 UV420 Blue Cut Single Vision Hmc Anti Blue Light Optical Lenses

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Nk55, Imported From Japan
• Type: Anti-Reflective Lens
• Coating: HMC
• Lenses Color: Clear
• Abbe Value: 40
• Model NO.: SF 1.56 Blue Cut HMC
• Specific Gravity: 1.28
• Coating Choice: UC,Hc,Hmc,Shmc,Green,Blue
• Power Range: Sph:-20.00~+11.00 Cyl:0:00~-6.00
• Transmission: >97%
• Diameter: 70/75mm
• Guarantee: 3~5 Years
• Key Word: Sf .56 Blue Light Blocking Lens
• Trademark: Seesen
• Origin: Danyang, China

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
0.50	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

What Is Blue Light?

Blue light is naturally produced by the sun but also by computer monitors, smartphone screens and other digital devices.

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.