Factory Price Semi-Finished High Index 1.74 Aspherical Lenses Mr-174 Wholesale Lens Optical

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Mr-174,Imported From Korea
• Coating: Hc,Hmc,Shmc,Green,Blue
• Abbe Value: 32
• Specific Gravity: 1.74
• Power Range: Sph: 0.00~-10.00 Cyl: 0.00~-2.00
• Model NO.: Semi-Finished 1.74 Aspherical Lens
• Diameter: 75mm
• Transmission: > 97%
• Guarantee: 3~5 Years
• Keywords: Sf 1.74 Asp Lens

Product Description

SEMI-FINISHED 1.74 ASPHERICAL LENS(75MM)

1.Material Properties: MR-174                                                 2.Refractive Index(Ne):1.74 3.Abbe Value:32                                                                       4.Specific:1.47 5.Lens Description                                                                    6.CT, ET Tolerance:±1.0mmm
Nominal Curve		Reference		Front Surface					Back Surface
Front	Back			SAG		Radius	Actual Curve		SAG		Radius	Actual Curve
		CT	ET	40mm	50mm		1.523	1.738	40mm	50mm		1.523	1.738
0.75K	10.00K	9	17.85	0.195	0.304	1025	0.51	0.72	2.805	4.433	74.2	7.048	9.946
2.00K	10.00K	7	14.82	0.536	0.837	371.6	1.407	1.986	2.805	4.433	74.2	7.048	9.946
3.25K	10.00K	6	12.83	0.913	1.425	218.09	2.398	3.384	2.805	4.433	74.2	7.048	9.946
SAG was Measured by AKMII(LOH in Germany) Digital Sagmeter (40mm,3X,with 3mm Ball) CT: Center Thickness (mm) ET: Edge Thickness (mm)

SEMI-FINISHED 1.74 ASPHERICAL LENS(70MM)

1.Material Properties: MR-174                                                2.Refractive Index(Ne):1.74 3.Abbe Value:32                                                              4.Specific:1.47 5.Lens Description                                                           6.CT, ET Tolerance:±1.0mmm
Nominal Curve		Reference		Front Surface					Back Surface
Front	Back			SAG		Radius	Actual Curve		SAG		Radius	Actual Curve
		CT	ET	40mm	50mm		1.523	1.738	40mm	50mm		1.523	1.738
0.75K	10.00K	9	16.57	0.195	0.304	1025	0.51	0.72	2.805	4.433	74.2	7.048	9.946
2.00K	10.00K	7	13.8	0.533	0.832	373.67	1.4	1.975	2.805	4.433	74.2	7.048	9.946
3.25K	10.00K	6	11.58	0.905	1.413	219.9	2.378	3.356	2.805	4.433	74.2	7.048	9.946
5.00K	10.00K	7	11.21	1.404	2.195	141.65	3.692	5.21	2.805	4.433	74.2	7.048	9.946
6.00K	10.00K	7.5	11.17	1.644	2.574	120.96	4.324	6.101	2.805	4.433	74.2	7.048	9.946
7.50K	8.50K	8	9.19	2.103	3..301	94.64	5.526	7.798	2.425	3.821	85.19	6.139	8.663
9.00K	8.50K	9	8.73	2.51	3.95	79.42	6.585	9.292	2.425	3.821	85.19	6.139	8.663
10.50K	8.50K	10	7.84	3.06	4.837	65.4	7.997	11.285	2.425	3.821	85.19	6.139	8.663
SAG was Measured by AKMII(LOH in Germany) Digital Sagmeter (40mm,3X,with 3mm Ball) CT: Center Thickness (mm) ET: Edge Thickness (mm)

What are HIGH INDEX 1.74 Lenses?

If You Have a Very Strong Prescription, You Should Consider Ultra Thin High Index 1.74 Lenses.High Index 1.74 lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed.

Coating Choices:


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.