China wholesale 1.56 photochromic film progressive blue cut HMC AR optical lens
| Index | 1.56 |
| Diameter | 72 MM |
| Monomer | NK55 (imported from Japan) |
| Corridor Length | 12/14mm |
| Abbe Value | 37.5 |
| Specific Gravity | 1.28 |
| Transmission | > 98% |
| Power Range | SPH: +3.00~-3.00, ADD: +100~+300 |
1. Blue Cut Lenses
| What is the "Blue color light "of digital devises which is said to be the cause of glares, flickers: the shorter the wave length of the light is the more energy it has. The lights with shorter wave length, like ultraviolet rays are said to cause damage to the eyes. Blue color light are lights in the range of visible rays with high frequency. They are lights in-between 380nm to 530nm. (violet to blue lights) They are worried that they may cause damage to the eyes since they have very short wave length like as ultraviolet rays. In our daily life, we are covered with bright lights such as TV, PC monitors and LED lighting.Many of these lights emit a lot of "Blue color light" to emphasis the brightness. |  |
2. Progressive Multifocal Lens
♦. Progressive spectacle lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation.
♦. The lens location of the correct addition power for the viewing distance usually only requires small adjustments to head position, because near vision tasks such as reading are usually low in the visual field and distant objects higher in the visual field.
♦. Progressive addition lenses avoid the discontinuities (image-jumps) in the visual field created by the majority of bifocal and trifocal lenses and are more cosmetically attractive.
3. Photogrey Film
| Indoor Protective Lens | In the room or at night, the lenses color are basically transparent, the same as the ordinary lenses, like high light transmission performance, relieve visual fatigue,make you see the world more clear. |
| Outdoor Protective Lens | Lens under the action of ultraviolet light in the sun color, ultraviolet dark color change, deep, shallow light-colored ultraviolet light, isolated from UV damage, anytime, anywhere to protect your eyes. |
| Hard Coated | Also can be called HC coating, is to enhance the hardness of the lens to prevent the substrate scratch |
| Hard Multi Coated | Also can be called HMC or AR coating, is to protect the lens effectively from reflection |
| Super hydrophobic Coated | Also can be called SHMC coating, is to make the lens waterproof, antistatic, anti slip and oil resistance |
| Package | Envelope | ||
1.Finished optical lens: 1 pcs/envelope, 500 pairs/carton | 2. Semi-finished optical lens: 1 pcs/envelope, 100 pairs/carton | 1. Standard with envelope | 2. Color package with your design or logo |
| Delivery Time | Carrier | Payment terms | |
| 1. 3-7 days for samples (UPS, DHL, FEDEX, TNT for samples) | 2. 5-30 days for batch goods (by air or by sea, depend on order quantity) | We can choose for you or you offer us your cooperative company | 30% T/T in advance, the balance before shippment |
Q. How many days will samples be finished? How about mass products?
A. Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.
Q. How can I get sample from you?
A. Just send us your requirements, then we will send samples accordingly.
Q. What is the MOQ of optical lens?
A. No MOQ for customer if optical lens is in stock.
Q. How do you control lens quality?
A. Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.
Q. How about your optical lens production ability per day?
A. About 20000 pairs/day.
Q. Are you a factory?
A. Yes, we are a professional optical lens manufacturer in China, and have a factory in Danyang city, Jiangsu province.
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