Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses

Get high-quality Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses from our factory. Order now for superior optical products!
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PRODUCTS DETAILS

Basic Info.

Model NO.
Semi-Finished Cr39 1.499 SF Round Top lens
Specific Gravity
1.32
Power Range
Sph:0.00~+3.00 0.00~-2.00 Add:+1.00~+3.00
Diameter
70/28mm
Transmission
> 97%
Guarantee
3~5 Years
Keywords
Semi-Finished Cr39 1.499 Sf Round Top Lens
Trademark
Seesen
Origin
Danyang, China

Product Description

Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses
SEMI-FINISHED 1.499 ROUND-TOP LENS
   MATERIAL REFRACTIVE INDEX = 1.499                                               TOOLING INDEX = 1.530
Diameter Nominal Curve front Radius  T.C Back Radius Back T.C CT/ET  Front Sag Ring 50mm RX Range Recommened
70MM 200B 234.27  2.26  94.93  5.58  10/14 1.34 -5.25D~-8.00D
70MM 400B 127.62  4.15  94.93  5.58  10/12 2.47 +2.00D~-5.00D
70MM 600B 87.18  6.08  161.04  3.29  9/6 3.66 0.00D~+4.00D
70MM 800B 66.49  7.97  161.04  3.29  13/6 4.88 +4.25D~-6.00D
THE ADD FROM +0.75D TO +3.50D.IN 0.25 DIOPTER STEPS


What is the RT-28?
 
Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses
Round top bifocals are further described by the width of the near segment, measured in millimeters (mm). The most popular RT bifocal is the RT-28, a round top bifocal with a near seg that is 28 mm wide.

Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical Lenses
Optical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical LensesOptical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical LensesOptical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical LensesOptical Lentes Manufacturer Semi-Finished Cr39 1.499 Sf Round Top Bifocal Rt-28 Eyeglasses Optical LensesFAQ:
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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