Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens

Shop our premium optical eyeglass lenses semi-finished 1.56 photochromic flat top lens FT-28 HMC spectacle lens. As a factory, we offer high-quality lenses at unbeatable prices.
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PRODUCTS DETAILS

Basic Info.

Model NO.
Semi-Finished 1.56 Photochromic Flat Top HMCLens
Specific Gravity
1.15
Power Range
Sph:000~ +300 000~-200 Add:+100~+300
Diameter
70/28mm
Transmission
> 97%
Guarantee
3~5 Years
Keywords
Sf 1.56 Photochromic Flat Top Bifocal Hmc Lens
Trademark
Seesen
Origin
Danyang, China

Product Description

Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens
SEMI-FINISHED 1.56 PHOTOCHROMIC FLAT TOP HMC LENS
MATERIAL REFRACTIVE INDEX = 1.552                     TOOLING INDEX = 1.530
Diameter Nominal Curve T.C  Rad Back Curve E.T C.T Sag Seg Inset ADD Range RX Range Recommened
70/28mm 200 240 220.53 6 11 6 1.18 5 1.00-3.50 -2.00D/-5.00D
70/28mm 400 423 125.11 6 8 8 2.34 5 1.00-3.50 -1.00D/-3.00D
70/28mm 600 604 87.71 6 8 8 3.61 5 1.00-3.50 +2.00D/-2.00D
70/28mm 800 802 66.06 6 6 8 4.9 5 1.00-3.50 +2.00D/+5.00D


What is Photochromic Lens?
 
Indoor Protective Lens Outdoor 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. 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.


Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens



Advantages of 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.

 

UV protection - Photochromic lenses provide full protection against the harmful UV rays of the sun and direct exposure to sunlight can cause serious eye problems and in some cases blindness.

Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens


Photochromic Flat Top lens:

 

Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens
Bifocal lenses are perfect for people suffering from presbyopia- a condition in which a person experiences blurred or distorted near vision while reading a book.

 

Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens
About Our Company:
Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens Optical Eyeglass Lenses Semi-Finished 1.56 Photochromic Flat Top Lens FT-28 Hmc Spectacle Lens 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.

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