Basic Info.
Model NO.
1.61 spin photochromic HMC
Diamater
65/70/75mm
Keywords
1.61 Spin Photochromic Hmc
Product Description
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00tCvVesQKLdkI/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
Photochromic lenses are made of many lens materials including plastic, glass or polycarbonate. They are typically used as sunglasses that conveniently switch from a clear lens indoors, to a sunglasses depth tint when outdoors, and vice versa.
1.61 photochromic len
Product Name | Diameter | Monomer |
1.61 Spin Photochromic HMC Eyeglasses Optical Lenses | 65/70/75MM | MR-8 (imported from Korea) |
Abbe value | Specific Gravity | Power Range |
41 | 1.30 | SPH: 0.00~ -6.00, 0.00~ +6.00 CYL: 0.00~ -6.00 |
What are the photochromic lens?
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00tCBWMdQlrwkH/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00shNWwOGcPFkl/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00OWnVmEfgLFqh/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
Hard Coating: To protect the uncoated lenses from scratch resistance.
AR Coating/Hard Multi Coating: To protect the lens effectively from reflection, enhance functional and charity of your vision
Super Hydrophobic Coating/Crazil Coating: To make the lens waterproof, 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 |
Advantages of the photochromic lens
Reduced costs - buying a single pair of dual purpose photochromic glasses that can provide vision for both indoors when clear and providing sunglasses protection outside is more cost effective than buying two separate pairs.
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00YMvleUEJEmbI/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
About the Custom Service:
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00FlOhmWGgSnci/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
About our Factory
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00FlNidCYESObV/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00FhyiJOUzGnbl/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00AhOVJERCyyqW/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00mhnVwufypOcl/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
![China Eyeglass Optical Lenses 1.61 Spin Photochromic Hmc Fast Change Color Photo Grey Brown Lens Photochromic Optical Lenses](http://img6.grofrom.com/www.greenlensco.com/226f3j00JVNiAlRFiyqh/China-Eyeglass-Optical-Lenses-1-61-Spin-Photochromic-Hmc-Fast-Change-Color-Photo-Grey-Brown-Lens-Photochromic-Optical-Lenses.webp)
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.