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Parameter
| production name | plano concaave lens |
| material | k9 glass |
| surface quality | 60/40 |
| diameter tolerance | +/-0.0-0.1mm |
| diameter | 45.9mm |
| focal length | 68.6mm |
| center thickness | 3mm |
| edge thickness | 8.5mm |
| coated | ar coated/custom |
Production descraption
Plano concave are thicker at the edge than in the centre and flat on one side.The plano-concave lenses are used to expand light beams or to increase focal lengths in optical systems or to balance aberrations from other lenses within a system
Negative focal length diverges collimated incident light. Spherical aberration,and coma are reduced when used at infinite conjugate ratio with collimated light incident upon the concave side.
Our company is a professional customized-oriented optical company.
Our main products are prisms including triangular prisms,penta prisms,roof prisms.
Lens such as plano convex,plano concave,biconvex,biconcave.
All this products are have kinds of sizes
Products detail 
Our company
Located in Henan,a becutiful city in China,nanyang city jingliang optical technology co., ltd has become one of China'S leading manufacturers of optical component,optical assemblies,lens assemblies
Founded in 1999,we have a strong and steady growth that has lead us to today's staff of over 1300 comprised of a very skilled team of fabricators,mechanical engineers ,process engineers ,optical engineers and coating designers
Our manufacturing capabilities consist of all type of custom manufactured lens,like plano convex lens ,biconvex lens,plano concave lens,biconcave lens,achromaticl lens,cylindrical lens,spherical lens and aspherical lens
beamsplitter like beamsplitter plate,cube beamsplitter and other beamsplitter,prism,like right angle prisms,penta prisms,corner cube prism,dove prism,reflective prism,dispersion prism,anamorphic prism .coatings,optical system
,the products are widely used in non-contact inspection,medical,automation,precision instrument,automotive,micro-measuring systems,surveying equipment,Security,CCTV,and Machine Vision
Sales have been global since the first year in operation.Europe,North America,Japan,and Korea are most of the current customers base areas we supply .Dependable quality,delivery ,and competitive pricing has partnerd us with many well establish world famous enterprises
Our factory owns facility of 10000 square meters in nanyang which is included a 2000 square meters clean room for our coating center ,metrology lab,lens assembly and special fabrication needs.
We always pay highest attention on product quality and production capacity,Our advanced equipment include spherical milling machines,CNC plano milling machines,Precision polishing machines,high speed polishing machine ,CNC Profiling machines,coating machine and ultrasonic cleaning lines
Quality is first and always the keys to our success,we also have most advanced metrology instrument,spherical lens measurement system,prism angle measure system,with theses advanced instrument ,we acquire the ISO9001 ,CE International certificate
As a company ,we are commited to growth and development .our cooperative relationship with local universities and research center,university,optical technology research institute ,enhances our engineering and R&D techniques .With the concept of strict management,continuous innovation,continuous improvement,customer satisfation,our company is committed to deliver customers with quality products,on-time delivery ,competitive pricing .we focuses on producing high precision optical components.the goal at our company is to be your first choice of partner supplier of optical components
Factory Workshop
Packaging & Delivery.
Packaging Details:
Inner packing-------special protective packing for optical products.
Outer packing------carton, Shock absorption material and bubble wrap
Delivery Time
7-20days
Delivery: Generally, we use the Fedex, DHL, UPS, TNT, Shunfeng, etc.
Please note it before delivery. Transit time deponds on the express and destination.
By the way, we would re-check all the details before delivery.
Factory Workshop
Exhibition
Advantage 
FAQ:
Q: What's your MOQ? A: Generally, our MOQ is 1000pcs. But we accept lower quantity for your trial order. Please free to contact us.
Q: Hong long does it need to make production? A: As usual, our production time is 7-20days.
Q: What's your payment? A: 50% as deposit, and 100% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q: What's your delivery way? A: EXW, FOB, CFR
Q: How to proceed an order? A: Firstly, let us know your requirements or application. Secondly, we quote according to your requirements or our suggestions. Thirdly, customer confirms the samples and places deposit for formal order.
Q: What package do you provide? A: Generally, we pack our goods in special protective packing for optical products for inner packing, anti-shock material with bubble wrap for the carton.