Lens Manufacturers and Suppliers Cr39 Progressive UC Lens Progressive Lens Optical Multifocal Lens

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Cr39
• Abbe Value: 58
• Specific Gravity: 1.32
• Diameter: 75mm
• Power Range: Sph: 0.00 to+3.00 0.00~ -4.00 Add: +1.00to+3.50
• Model NO.: CR39 progressive uc lens
• Corridor Length: 14/17mm
• Keywords: Progressive Multifocal Lenses

Product Description

1.499 UC  progressive optical lenses

Product Name	Diameter	Monomer
1.499 UC  progressive optical lenses	75MM	CR39
Abbe value	Specific Gravity	Power Range
58	1.32	SPH 0.00 To+3.00 0.00~ -4.00 ADD: +1.00 To+3.50

 

Details:

About the Coating:


 Hard coating make the uncoated lenses are easily subjicted and exposed to scratches

    AR coating protect the lens effectively from reflection, enhance functional and charity of your vision.

   Super hydrophobic coating make the lenswaterproof, antistatic, anti slip and oil resistance.

Comparison of physical properties of lenses

	MR-8	MR-7	MR-174	Polycarbonate(PC)	NK-55	CR39
Referactive Index	1.61	1.67	1.74	1.59	1.56	1.49
Abbe Value	41	32	33	32	37.5	58
Specific Gravity	1.30	1.35	1.47	1.20	1.28	1.32
Diameter	65/70/75	65/70/75	65/70/75	65/70/75	55/60/65/72	55/60/65/70
Impact Resistance	Good	Good	Good	Good	Good	Good
Static Load Resistance	Good	Good	Good	Good	Good	Good

 

About Our Company:





Packing & Delivery:

Choice 1
Envelope	Carton	Size
White Envelope	Stand Export Carton	38cm*48cm*35cm
Choice2
You design with your logo
Type	Lenses Pair	Weight
Finished lens	about 500 pairs	20KGS
Semi-finished lens	about 100pairs	15KGS
Lead time	Depend on the quality
Depend on the quantity	We can choose for you or offer us your cooperative company
All the numbers provided above are estimated number, the actual numbers need to be measured according to the order you make.

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.