China wholesale Optitek Computer Reading Glasses - 1.56 Aspherical Cr39 Single Vision Lenses AR Coating NK55 Material – Optical

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"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our enterprise with the long-term to build with each other with consumers for mutual reciprocity and mutual advantage for Transition Computer Glasses, Glasses For Looking At Computer, Average Cost Of Bifocal Lenses, We sincerely welcome both equally international and domestic company associates, and hope to work along with you during the in close proximity to foreseeable future!

China wholesale Optitek Computer Reading Glasses - 1.56 Aspherical Cr39 Single Vision Lenses AR Coating NK55 Material – Optical Detail:

Packaging & Delivery

Selling Units	Pairs
Single package size	50X45X45 cm
Single gross weight	About 22kgs
Package Type	inner bag,out carton, export standard or upon your design
Lead Time	Quantity(Pairs) 1 – 5000prs, 10days
Lead Time	Quantity(Pairs) > 5000prs, To be negotiated

1.56 Aspherical Cr39 Single Vision Lenses AR Coating NK55 Material

Visual Effect	Diameter(mm)	Coating	Power Range
Single Vision	65/70/72	UC, HC, HMC SHMC	SPH: 0.00~+-15.00
Single Vision	65/70/72	UC, HC, HMC SHMC	CYL: 0.00~-6.00
Bifocal	70/28	UC, HC, HMC	SPH: 0.00~+-3.00
Progressive	70/12+2mm	UC, HC, HMC	ADD: +1.00~+3.50
Photochromic	65/70	HC, HMC, SHMC	SPH: 0.00~+-15.00
Photochromic	65/70	HC, HMC, SHMC	CYL: 0.00~-6.00

Features
The most common materials available for use in lenses used to be glass and a hard resin called CR-39. With the continuous improvement of technology, there are more requirements of CR39(optical/plastic) lenses than glass lenses. We are a manufacturer of optical lens, and in these lenses, 1.56 index lenses are one of the most popular lenses all over the world. Furthermore, lenses with 1.56 index are considered the most cost effective lens on the world market.

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Thickness: Under the same prescriptions, 1.56 index lenses are thinner than 1.499 lenses. as the increase in diopters, the difference will be bigger. In the other word, high index materials are classified by numbers. Again, the higher index, the thinner and lighter the lens.

Weight: Due to the thickness, it’s obvious that 1.56 lenses are lighter than 1.499 lenses in the same diopters.

AR Coating
–HC(hard coating): To protect the uncoated lenses from scratch resistance.
–HMC(hard multi coated/AR coating): To protect the lens effectively from reflection, enhance functional and charity of your vision.
–SHMC(super hydrophobic coating): To make the lens waterproof, antistatic, anti slip and oil resistance.

Coating1

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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for China wholesale Optitek Computer Reading Glasses - 1.56 Aspherical Cr39 Single Vision Lenses AR Coating NK55 Material – Optical, The product will supply to all over the world, such as: Angola, United Arab Emirates, Dominica, The president and all the company members would like to provide qualified goods and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.

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The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.