少妇高潮喷水久久,丁香婷婷久久一区二区,中文字幕亚洲区日日骚,欧美婷婷一区二区三区,98新超碰,激情色专线,老司机精品视频。,日日骚AV片日韩不卡,伊人狼人久久网

High-Quality Lens
US$40.00-50.00 / Piece
  • Recommend for you
  • What is Zero Expansion Glass/Microcrystalline/Optical Fused Silica Glass/Quartz Glass/Low-Thermal-Expansion Optical Glass
  • What is Optical Aspherical Lens/Quartz Glass Aspheric Lens/Fused Silica Aspheric Lens
  • What is Positive Meniscus Lens/Meniscus Lens/Concave Convex Lens/Convergent Lens

What is Premium Bk7 Glass Double Concave Lens for Optical Precision

About this Item
Details
Company Profile

Price

Purchase Qty. Reference FOB Price

100-499 Pieces US$50.00

500-999 Pieces US$45.00

1,000+ Pieces US$40.00

Sepcifications

  • After-sales Service 3r Policy-Return, Replace, Refund
  • Warranty 12months
  • Usage Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc
  • Type Bi-Concave Lenses
  • Transmittance Central 90% of Diameter
  • Shape Single-lens
  • Material Optical Glass
  • Lenses Color Clear
  • Certification RoHS, ISO9001, CE
  • Customized Customized
  • Coating Ar.14, Ar.16, Ar.18, Ar.33 Coated
  • Transport Package Cartons or Wood Case
  • Specification 6.35mm-50.8mm or custom manufacturing
  • Trademark Raytek
  • Origin China
  • Surface Quality 40-20 Scratch-Dig or Custom Manufacturing
  • Surface Flatness Lambda/4 or Custom Manufacturing
  • Effective Focal Length(Efl) From -12.5mm to -500mm
  • Surface Accuracy, Irregularity Lambda/4 or Custom Manufacturing

Product Description

Product Description Raytek N-BK7 bi-concave lenses are cost-effective optical cores crafted from high-quality N-BK7 optical glass. Available in uncoated or multi-layer anti-reflective (AR) coating options, all lenses guarantee λ/4 (633nm) surface accuracy and 40-20 scratch-dig surface ...

Learn More

High-Quality Lens Comparison
Transaction Info
Price US$40.00-50.00 / Piece US$10.00-100.00 / pc US$10.00-100.00 / pc US$2.98 / Pairs US$2.98 / Pairs
Min Order 100 Pieces 10 pc 10 pc 500 Pairs 500 Pairs
Payment Terms LC, T/T, D/P, PayPal, Western Union, Small-amount payment LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram T/T, D/P, PayPal, Western Union, Small-amount payment T/T, D/P, PayPal, Western Union, Small-amount payment
Quality Control
Product Certification RoHS, ISO9001, CE RoHS, CE RoHS, CE ISO9001, CE ISO9001, CE
Management System Certification ISO9001:2015 - - - -
Trade Capacity
Export Markets South America, Europe, Domestic North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Annual Export Revenue - - - - -
Business Model - - - - -
Average Lead Time Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month		 Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays		 Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays		 Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays		 Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Product Attributes
Specification
After-sales Service: 3r Policy-Return, Replace, Refund;
Warranty: 12months;
Usage: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc;
Type: Bi-Concave Lenses;
Transmittance: Central 90% of Diameter;
Shape: Single-lens;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: Ar.14, Ar.16, Ar.18, Ar.33 Coated;
Surface Quality: 40-20 Scratch-Dig or Custom Manufacturing;
Surface Flatness: Lambda/4 or Custom Manufacturing;
Effective Focal Length(Efl): From -12.5mm to -500mm;
Surface Accuracy, Irregularity: Lambda/4 or Custom Manufacturing;
Usage: Optical, Infrared Image;
Type: Convex Lens;
Transmittance: >95%;
Shape: Single-lens;
Material: K9 Quartz Bk7 Corning7980 Germanium Silicon Znse;
Lenses Color: Clear;
Customized: Customized;
Coating: Polish+Coating;
Flatness: 1/4lambda;
Tolereance: +0.00/-0.01mm;
Surface Quality: 10-5;
Certeration: <1arcmin;
PV: <1um;
RMS: <1um;
Usage: Optical, Infrared Image;
Type: Convex Lens;
Transmittance: >95%;
Shape: Single-lens;
Material: K9 Quartz Bk7 Corning7980 Germanium Silicon Znse;
Lenses Color: Clear;
Customized: Customized;
Coating: Polish+Coating;
Flatness: 1/4lambda;
Tolereance: +0.00/-0.01mm;
Surface Quality: 10-5;
Certeration: <1arcmin;
PV: <1um;
RMS: <1um;
Usage: Lighting, Medical, Optical, Photography;
Type: Photochromic Lens;
Transmittance: 80%-90%;
Shape: Spherical, Aspherical;
Material: Resin, Plastic, Cr39, Koc, Nk55;
Lenses Color: Green, Brown;
Customized: OEM;
Coating: Hmc, Shmc, EMI;
Abbe Value: 36;
Specific Gravity: 1.27;
Diameter: 65 / 70 mm;
Power: Sph:-8.00~+6.00 Cyl:0.00~-4.00;
Delivery Time: 15-30 Days;
Usage: Lighting, Medical, Optical, Photography;
Type: Photochromic Lens;
Transmittance: 80%-90%;
Shape: Spherical, Aspherical;
Material: Resin, Plastic, Cr39, Koc, Nk55;
Lenses Color: Green, Brown;
Customized: OEM;
Coating: Hmc, Shmc, EMI;
Abbe Value: 36;
Specific Gravity: 1.27;
Diameter: 65 / 70 mm;
Power: Sph:-8.00~+6.00 Cyl:0.00~-4.00;
Delivery Time: 15-30 Days;
Supplier Name

Shanghai Rui Tai Photoelectric Technology Co., Ltd.

Diamond Member Audited Supplier

Changchun Sunday Optics Co., Ltd.

Gold Member Audited Supplier

Changchun Sunday Optics Co., Ltd.

Gold Member Audited Supplier

HUNAN XINGJI OPTICAL CO.,LTD.

Gold Member Audited Supplier

HUNAN XINGJI OPTICAL CO.,LTD.

Gold Member Audited Supplier

宣城市| 临湘市| 金塔县| 阳城县| 沭阳县| 郧西县| 庐江县| 德昌县| 泌阳县| 长白| 兖州市| 桦甸市| 介休市| 济南市| 饶阳县| 西平县| 孟村| 邯郸市| 湘乡市| 砚山县| 卓尼县| 和田县| 香港| 黔西| 郧西县| 始兴县| 晴隆县| 吉隆县| 柞水县| 蓬溪县| 田阳县| 武冈市| 绍兴县| 寻甸| 安陆市| 宁化县| 惠州市| 旬邑县| 抚顺市| 鹿邑县| 昭平县|