Ophthalmic Lenses
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General Conditions
CR-39 Hard Resin Lens
1.56 Middle Index Hard
Resin Lens
1.56 Photochromic Hard
Resin Lens
1.59 Polycarbonate Lens
1.61 Hi - Index Hard
Resin Lens
Mineral White 1.523
Optical Lens
Mineral 1.7/1.8/1.9
Hi-index Lens
Mineral Photochromic Lens
Sunlens & polarized lens
Mineral 1.7/1.8/1.9 Hi-index Lens
Refraction index N
d
=1.7 & 1.8 & 1.9
Abbe value 35 (N
d
=1.7 & 1.8) & 31 (N
d
=1.9)
Density 3.10
g/cm
3
(
(N
d
=1.7), 3.65 g/cm
3
(N
d
=1.8) & 3.39 g/cm
3
(N
d
=1.9)
White 1.9/31 Hi-index glass from CORNING
available
Lighter, slim and more beautiful, particularly suitable for high power lens
AR multi-coating and AR+EMI coating available in greenish and bluish color
Absorb UV-ray and provide effective protection for the eyes
Pro 170 Plus - Dia60mm (White, Pink & Brown)
Pro 170 Minus - Dia65mm (White, Pink & Brown)
Pro 180 Minus - Dia65mm
Pro 190 Hi-End Minus - Dia60mm & Dia65mm
CORNING
is registered trademark of Corning Inc.
Copyright© 2010 Y & S (Beijing) Opto-Electro Industries Ltd. All Rights Reserved.
is registered trademark of Corning Inc.
Mineral 1.7/1.8/1.9 
