Semi-Finished High Index 1.74 Aspherical Lenses Mr-174 Asp Lens

• Customization: Available
• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Mr-174,Imported From Korea
• Model NO.: SF 1.74 ASP UV400 Lens
• Abbe Value: 32
• Specific Gravity: 1.47
• Coating Choice: UC, Hc, Hmc, Shmc, Green, Blue
• Power Range: Sph: 0.00~-10.00 Cyl: 0.00~-2.00
• Diameter: 75mm
• Transmission: > 97%
• Guarantee: 3~5 Years
• Envelope: White, Colored by Your Design
• Key Word: 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
				SAG		Radius	Actual Curve		SAG		Radius	Actual Curve
Front	Back	CT	ET	40mm	50mm		1.523	1.738	40mm	50mm		1.523	1.738
0.75K	10.00K	9.00	17.85	0.195	0.304	1025.00	0.510	0.720	2.805	4.433	74.20	7.048	9.946
2.00K	10.00K	7.00	14.82	0.536	0.837	371.60	1.407	1.986	2.805	4.433	74.20	7.048	9.946
3.25K	10.00K	6.00	12.83	0.913	1.425	218.09	2.398	3.384	2.805	4.433	74.20	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
				SAG		Radius	Actual Curve		SAG		Radius	Actual Curve
Front	Back	CT	ET	40mm	50mm		1.523	1.738	40mm	50mm		1.523	1.738
0.75K	10.00K	9.00	16.57	0.195	0.304	1025.00	0.510	0.720	2.805	4.433	74.20	7.048	9.946
2.00K	10.00K	7.00	13.80	0.533	0.832	373.67	1.400	1.975	2.805	4.433	74.20	7.048	9.946
3.25K	10.00K	6.00	11.58	0.905	1.413	219.90	2.378	3.356	2.805	4.433	74.20	7.048	9.946
5.00K	10.00K	7.00	11.21	1.404	2.195	141.65	3.692	5.210	2.805	4.433	74.20	7.048	9.946
6.00K	10.00K	7.50	11.17	1.644	2.574	120.96	4.324	6.101	2.805	4.433	74.20	7.048	9.946
7.50K	8.50K	8.00	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	9.00	8.73	2.510	3.950	79.42	6.585	9.292	2.425	3.821	85.19	6.139	8.663
10.50K	8.50K	10.00	7.84	3.060	4.837	65.40	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)

• A lens with only one of the two surfaces finished is called a semi finished lens because it is only half finished. The prefix semi means half.

 

• Finished uncut and semi finished lenses have not beem edged. Before a lens has been edged, it is called a lens blanks.

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.