1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses

Get high quality 1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses directly from our factory. Shop now!
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PRODUCTS DETAILS

Basic Info.

Model NO.
SF 1.56 Photochromic FT-28 HMC
Diameter
70/28mm
Transmission
> 97%
Guarantee
3~5 Years
Brand
Seesen
Keywords
Sf 1.56 Photochromic Flat Top Bifocal Hmc Lens

Product Description

1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses
What is Bifocal Lens?
Bifocal eyeglass lenses contain two powers to help you see objects at all distances after you lose the ability to naturally change the focus of your eyes due to age.


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


Details:
1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses
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.


What is Photochromic Lens?
1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses


Photochromic Flat Top lens:

1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses
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.



Advantages:
1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses

About the Coating:

1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses
About the Custom Service:
1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses

About Our Factory:
1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses 1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses 1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses 1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses 1.56 Photochromic FT Bifocal Semi-Finished Optical Lens Transition Photochromic Flat Top Lenses
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.

Contact us

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