Semi Finished 1.499 Index Lenses Round Top Eyeglass Lenses 28 Segment
Short Description:
Place of Origin: Jiangsu, China
Model Number: CR39 1.499
Lenses Color: Clear, Clear
Vision Effect: Round Top
Corridor: D28mm
Brand Name: kingway
Certificate: CE/ISO
Lenses Material: CR39
Coating: UC, HC, HMC
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 |
Semi Finished 1.499 Index Lenses Round Top Eyeglass Lenses 28 Segment
| Refractive index | Corridor Length | Coating | Abbe Value |
| 1.499 | D28mm | UC, HC,HMC | 57 |
| Specific Gravity | Transmission | Monomer | Power Range |
| 1.32 | > 97% | CR39 | SPH: 0.00~+-3.00 ADD: +1.00~+3.00 |
The Advantages Of Round Top Lenses.
The wearers can see the near things by the round shape and see the distance things by the rest of the lenses.
The wearers don't need change two different visions glasses when they both reading book and watching TV.
The wearers can keep the same posture when they look both the near thing or far thing.
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.
"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 "
