Multifocal Vision 1.499 CR39 Uncoated Progressive Lenses for Reading Glasses
Short Description:
Place of Origin: Jiangsu, China
Index CR39 1.499
Lenses Color: Clear, Clear
Vision Effect: Progressive
Corridor: 14+2mm
Brand Name: kingway
Certificate: CE/ISO
Lenses Material: Resin
Coating: UC, HC
Diameter: 70mm
Product Detail
Product Tags
Packaging & Delivery
| Selling Units | Pairs |
| 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 |
1.499 progressive optical lenses
| Refractive index | Corridor Length | Coating | Abbe Value |
| 1.499 | 14+2mm | UC,HC | 57 |
| Specific Gravity | Transmission | Monomer | Power Range |
| 1.32 | > 97% | CR39 | SPH: 0.00~+-3.00 ADD: +1.00~+3.00 |
CR39 Features.
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.
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.
