| Customization: | Available |
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| Usage: | Medical, Optical, Photography |
| Type: | Photochromic Lens |
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COLORFUL PHOTOCHROMIC LENS
1. Specification
| Index | 1.56 | Design | Spherical | |||||||||||||
| Material | NK-55 | Abbe Value | 42 | |||||||||||||
| Specific Gravity | 1.28 | Transmission | 86% | |||||||||||||
| Abrasion Resistance | 6~8H | Lens Color | Grey; Brown | |||||||||||||
| Diameter | 65/70 | Coating | HC/HMC | |||||||||||||
2. PHYSICAL AND OPTICAL PROPERTIES
New Vision Photochromic lenses are produced of high quality, low density, and middle index (1.56) photochromic monomers. The photochromic dyes are fully incorporated into the material rather than applied to the surface. The lenses keep the ability to respond to UV light longer and are more color consistency.
Refractive Index N=1.56
ABBE Number V=42
Density 1.14g/cm³
3. TRANSMISSION PROPERTIES
Transmission properties of New Vision Photochromatic Gray and Brown lenses are very superior compared to other photochromic lenses in the market; they can reach 20% ~ 21% transmittance after 15 minutes of darkening by ISO standard solar simulator. When faded indoors, New Vision Gray and Brown lenses New Vision back to 65% ~ 70% transmittance within 2 minutes.
Transmission drop of the darkening state mainly happens within the 30 seconds (absorption increase of more than 65%), and makes the darkened New Vision lenses like a real sunglass lens.
The transmission features of these two photochromic lenses are described in the following table and graph.
Transmission Features of New Vision Lens
| Package | Envelopes | 1)Stardand white envelopes |
| 2)Your design with your LOGO | ||
| Cartons |
Size:46.5cm*31cm*38.5cm | |
| Include around 500 pairs of finished lenses | ||
| Around 20kgs per carton | ||
| Shipping | Samples | By FEDEX,DHL,UPS,TNT etc. |
| Delivery date 3-7 days | ||
| Batch goods | By air,sea,express | |
| Delivery date 15-30 days |
Weihai New Vision Optical Co., Ltd has three delights advantages value your choice.
Pursuit of excellence, high quality products to lead the market. Daily productivity of 600,000 pieces.
All of our products are in compliance with most major global quality standards.
Own a state-of-the-art centralized optical lab. Capacity 12,000 pieces daily.
7*24 RX Prescription Lab
Weihai New Vision RX Lab is a state-of-the-art centralized optical lab.
We use Germany Satisloh and Optotech freeform machine to produce the digital lenses.
We provide tinting and remote edging and assembling service.
We use Leyblod machine for the AR coatings.
| Package | Envelopes | 1)Stardand white envelopes |
| 2)Your design with your LOGO | ||
| Cartons |
Size:46.5cm*31cm*38.5cm | |
| Include around 600 pairs of finished lenses | ||
| Around 22kgs per carton | ||
| Shipping | Samples | By FEDEX,DHL,UPS,TNT etc. |
| Delivery date 3-7 days | ||
| Batch goods | By air,sea,express | |
| Delivery date 15-30 days |
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