The blue light is the most harmful light in all visible light. The risk of stargardt's disease (fundus flavimaculatus) will be improved after a long-term exposure on blue light which exist not only in outdoors but also indoors such as computer screen, office lights, smart-phone screen. However, anti-blue lenses can effectively block these harmful blue lights to protect eyes and reduce the risk of stargardt's disease. Company introduction Changxing, optical, glasses, factory, has, established, more, than, 10, years, in, danyang, city, jangsu, province, china., therefore, , our, factory, can, provide, better, quality, lenses, with, competitive, price., our, factory, has, two, product, lines, to, produce, normal, and, function, lenses, which, contain, cr39, 1.499, lenses, , 1.56, , 1.61, , 1.67, high, index, lenses, , sunglasses, lenses, , blocker, blue, lenses, , progressive, lenses, , and, photochromic, lenses, with, more, than, 10, 000, pairs, per, day. Types of products, Cr-39, 1.499 Photochromic, lens 1.61/1.67 high index lens 1.56 tinted sunglasses lenses 1.56, middle, index, lenses, Semi-finished, lenses Progressive lenses Blocker blue lenses Uv400 lenses 1) standard white envelopes for free 2) your design with your logo, need extra charge 3) cartons: standard cartons: 50cm*42cm*38cm (every carton can include around 500 pairs lens, 21kg/ per carton)
Specifications 1) 1.49 uc with diameter 55/60/65/70/75/80mm 2) uc/hc/hmc+emi/hmc+emi+uv400, super hydrophobic 3) italy material, one year quality guarantee 4) slim, thin 5) no base color 6) stable color for each shipment Detailed products description 1) imported material (ppg), keep lens not yellow in two years 2) diameter: 55mm, 60mm, 65mm, 70mm, 75mm, 80mm 3) offering uncoated , hard coated and multi-coating lens 4) progressive, flat /round top bifocal, tinted lens, polarized lens (gray and brown) also available 5) also can offer semi-finished lens 6) two years not yellow, the (ar) coat is produced by korea coating machines Company introduction Changxing optical glasses factory has established more than 10 years in danyang city jangsu province china. therefore, our factory can provide better quality lenses with competitive price. our factory has two product lines to produce normal and function lenses which contain cr39 1.499 lenses, 1.56, 1.61, 1.67 high index lenses, sunglasses lenses, blocker blue lenses, progressive lenses, and photochromic lenses with more than 10, 000 pairs per day. Types of products Cr-39, 1.499 Photochromic lens 1.61/1.67 high index lens 1.56 tinted sunglasses lenses 1.56 middle index lenses Semi-finished lenses Progressive lenses Blocker blue lenses Uv400 lenses Delivery: 10 days after 30% deposit and up to quantity of orders Packing: 1) standard white envelopes for free 2) your design with your logo, need extra charge 3) cartons: standard cartons: 50cm*42cm*38cm (every carton can include around 500 pairs lens, 21kg/ per carton)
1, competitive price 2, ce, fda, iso9001, factory audit 3, accurate and stable degree 4, brand name:kmd 1.White envelope 2.To clients' requirments, need extra charges
1, competitive price 2, ce, fda, iso9001, factory audit 3, accurate and stable degree 4, brand name:kmd 1.White envelope 2.To clients' requirments, need extra charges
Product category:, Camera lenses Model/item no.:, Eos-m4/3 Brand:, Tanso Min. Order:, 50 pieces Unit price:, Us $ 5-50 / piece Country of origin1:, Ningbo , zhejiang , china (mainland) Product packing way:, 1pc/bag/box Payment term:, T/t, western union Delivery port:, Fob ningbo Date of delivery:, 7days Sales method:, Export, manufacture, wholesale, oem/odm, service, retail Quantity per month:, 20000
According to the customer's requirements
Refractive index: 1.498 Abbe value: 58 Density: 1.32 Uv: 380 Carton:0.5*0.5*0.3
"specification of our fisheye lens as follow: *37mm 0.42x fisheye lens; *72mm, 82mm 0.7x fisheye lens " As request
Material:bk7 or(jgs1 jgs2 jgs3)glass qualityz:nd+/-0.001~+/-0.0001 vd +/-0.8%~+/-0.1% dimension tolerance:+/-0.20mm~+0.01/-0.01mm thickness tolerance:+/-0.20mm~+/-0.005mm surface quality:80-50~10-5surface flatness: at 632.8nm lambda~ lambda /20 per 25mm clear aperture 80% ~100% angle tolerance 3-5 minutes~3 second chamfer 0.3+/-0.20mm x45degreeno chamfer coating optional As request
"we supply optical spherical ball lens Specifications: Material: bk7, lasfn9 glass or other optical glass Sphericity: /4 at 633nm Surface quality: 20-10 Diameter: 1m Coating (optional): r
Basic properties of optical linbo3 crystal lens as follow:crystal structure:trigonal, point group 3m lattice parameters:a=b=5.148 , c=13.863 density:4.64 g/cm3 melting point:1250 degreescurie point:1142+/- degreesmohs hardness:55 dielectric constant :e11/e0 = 85; e33/e0 = 29.5 thermal conductivity:38 w/m egrees at 25 egreesthermal expansion coefficient:a1=a2 =2x10-6 egrees, a3=2.2x10-6/ degrees at 25degrees piezoelectric strain constant:d22 = 2.04 x 10-11 c/n, d33 = 19.22 x 10-11 c/n elastic stiffness constant:ce11 = 2.04 x 1011 n/m2, ce33 = 2.46 x 1011 n/m2 As request
Spectral performance: Side 1 Partial reflectance values as indicated Tolerances on reflectance 50-70% ±3.0% 75-85% ±2.0% 90-95% ±1.5% Side 2 Standard high-efficiency low loss anti-reflectance thin film coating applied to this side only Reflectance per surface 10.6|¡§m for normal incidence <0.20% Transmission: > 99.0% --> Model numberdiameterthickness% reflectance Ocz-0512-50.500"0.120"50% Ocz-0512-70.500"0.120"70% Ocz-0512-75.500"0.120"75% Ocz-0512-80.500"0.120"80% Ocz-0512-85.500"0.120"85% Ocz-0512-90.500"0.120"90% Ocz-0512-95.500"0.120"95% Ocz-0712-50.750"0.120"50% Ocz-0712-70.750"0.120"70% Ocz-0712-75.750"0.120"75% Ocz-0712-80.750"0.120"80% Ocz-0712-85.750"0.120"85% Ocz-0712-90.750"0.120"90% Ocz-0712-95.750"0.120"85% Ocz-1012-501.000"0.120"50% Ocz-1012-701.000"0.120"70% Ocz-1012-751.000"0.120"75% Ocz-1012-801.000"0.120"80% Ocz-1012-851.000"0.120"85% Ocz-1012-901.000"0.120"90% Ocz-1012-951.000"0.120"95% Ocz-1512-501.500"0.120"50% Ocz-1512-701.500"0.120"70% Ocz-1512-751.500"0.120"75% Ocz-1512-801.500"0.120"80% Ocz-1512-851.500"0.120"85% Ocz-1512-901.500"0.120"90% Ocz-1512-951.500"0.120"95% Ocz-2020-502.000"0.200"50% Ocz-2020-702.000"0.200"70% Ocz-2020-752.000"0.200"75% Ocz-2020-802.000"0.200"80% Ocz-2020-852.000"0.200"85% Ocz-2020-902.000"0.200"90% Ocz-2020-952.000"0.200"95% Plastic box
Main specifications: As size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a large volume of optical components in various shapes and sizes in stock to facilitate quick deliveries. Safety carton package
Materail:bk7, fused silica, calcium fluoride, zinc selenide and others Protective bevel We will also do according to the specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a large volume of optical components in various shapes and sizes in stock to facilitate quick deliveries. Safety carton package
We will also do according to the specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a large volume of optical components in various shapes and sizes in stock to facilitate quick deliveries. Safety carton package
The following are parameters: 1.Material: bk7, fused silica and other optical glass E specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a large volume of optical components in various shapes and sizes in stock to facilitate quick deliveries. Safety carton package
We deal in branded CL of JJ,BL,Ciba,Cooper. Standarded
1)facing materials: pu pvc or other material according to your requirements 2)body material: iron 3)lining material: velvet. 3.Function:packing general eyeglasses. 4)price:reasonable and competitive price We can print any logo outside or inside of the case.If you are interested in any of our products, please be free to contact us . According to your any requirements. Oem will be welcome. 10pcs per innner box and 100pcs per carton
Optical mag0.7x~4.5x Wd 902mm Focal adjustment 0¡ª3mm Mag0.7x 2x4.5x Depth of field1.9mm0.28mm 0.1mm Na0.03 0.072 0.085 Resolution11.18um4.65um3.94um Tv distortion0.13%0.01%0.01% Maximum compatible camera 2/3¡± Installing C-mount Packed by carton
Optical mag 0.7x~4.5x Wd 902mm Focal adjustment 0¡ª3mm Mag0.7x 2x 4.5x Depth of field1.9mm 0.28mm 0.1mm Na0.03 0.0720.085 Resolution11.18um4.65um3.94um Tv distortion0.13%0.01%0.01% Maximum compatible camera 2/3¡± Installing C-mount Packed by carton