Multifocal Vision 1.499 CR39 Uncoated Progressive Lenses for Reading Glasses
Place of Origin: Jiangsu, China
Index CR39 1.499
Lenses Color: Clear, Clear
Vision Effect: Progressive
Brand Name: kingway
Lenses Material: Resin
Coating: UC, HC
Packaging & Delivery
|Single package size||50X45X45 cm|
|Single gross weight||About 22kgs|
|Package Type||Inner: envelops;Outer: Carton; export standard or upon your design|
|Lead Time||Quantity(Pairs) 1 - 1000prs, 10days|
|Quantity(Pairs) > 5000prs, To be negotiated|
Multifocal Vision Semi Finished 1.499 CR39 Uncoated Progressive Lenses
|Refractive index||Corridor Length||Coating||Abbe Value|
|Specific Gravity||Transmission||Monomer||Power Range|
|1.32||> 97%||CR39||SPH: 0.00~+-3.00
1). The highest impact resistance among other index lenses.
2). The most easily tinted than other index lenses, such as 1.56, 1.61, 1.67, 1.74 and 1.59 pc.
3). The highest transmittance as compared with middle index lenses and high index lenses.
4). The highest ABBE value(57) providing the most comfortable visual experience than other index lenses.
5). The most reliable and consistent lens product physically and optically.
--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.
"What's the importance of a good semi-finished lens to RX production?..
a. High qualified rate in power accuracy and stability
b. High qualified rate in cosmetics quality
c. High optical features
d. Good tinting effects and hard-coating/AR coating results
e. Realize the maximum production capacity
f. Punctual delivery
Not just superficial quality, semi-finished lenses are more focus on the internal quality, such as precise and stable parameters, especially for the popular freeform "