Semi-Finished 1.56 Single Vision Hmc Ophthalmic Lenses Manufacturers Eyeglasses Lenses

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Nk55, Imported From Japan
• Abbe Value: 37.5
• Specific Gravity: 1.28
• Coating Choice: UC, Hc, Hmc, Shmc, Green, Blue, Gold
• Power Range: Sph: -20.00~+11.00 Cyl: 0.00~-6.00
• Model NO.: SF 1.56 HMC lens
• Diameter: 65/70mm
• Transmission: > 97%
• Guarantee: 3~5 Years
• Key Word: Sf 1.56 Hmc Lens
• Brand: Seesen

Product Description

SEMI-FINISHED 1.56 SINGLE VISION HM

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

The most common materials available for use in lenses used to be glass and a hard resin called CR-39. With the continuous improvement of technology, there are more requirements of CR39(optical/plastic) lenses than glass lenses. We are a manufacturer of optical lens, and in these lenses, 1.56 index lenses are one of the most popular lenses all over the world. Furthermore, lenses with 1.56 index are considered the most cost effective lens on the world market.
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.