Double concave lens
Specification:
| Material | BK7, H-K9L ,UV fused silica,Corning7980 |
| focal length | +/-2% |
| Diameter | 5-120mm +0.0/-0.2 |
| Center thickness | 1.2-60mm +/-0.1 |
| Centering Accuracy | 3' |
| Figure (sphericity) | 1~5 |
| Surface Quality | 10-5,40-20,60/40 |
| Coating | optional |
Applications:
Optic Lenses are typically used to focus incoming light to a line, or to change the aspect ratio of an image. They are used for the optics, lasers, medical science, electronics, tele-communication and others.
Laboratory equipment
Four-wheel orientation systerm (KDS)
Double beam holographic optical path system
Fourier spectrometer
Imaging
Computer
Holographic lighting
Linear detector lighting
Laser collimator
1.We are manufacturer,so our prices are much more competitive and the production can be fairly controlled .
2.We specialize in making costumer designed products for 10 years ,so your drawings ,products pictures and samples are warmly welcomed !And your special design will be well protected by us!
3.We can supply variety of optical materials :JGS1,K9,B270,7980.N-BK7 ,and different products: lens,prisms,windows,mirrors ,beam splitters ,filters ,wave plates.
4.Your inquiry will be reply within 12 hours .
Q1: Are you a factory or trading company ?
A: We are a factory.We have been in optics field for 10 years
Q2: Where is your factory located ? How can i visit there ?
A:It is located in North-South 1st Road ,xiangguang Economic Development Zone,Yanggu county,Shandong Province,China
Welcome to visit our factory anytime
Q3: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
Q4: What's your MOQ?
A:
<![if !supportLists]>(1) <![endif]> For inventory, the MOQ is 1pcs.
(2) For customized products, the MOQ is 10pcs-20pcs.
Q5: Can i get the sample to test before the mass production ?
Sure ,we would like to offer the sample for you to test our quality before large order
Q6: How to pay?
A: T/T, Paypal, Western Union, Secure payment, Credit card and Assurance payment on Alibaba and etc..
Q7: What's the delivery time?
A:
For inventory: the delivery is 3 workdays after you place the order.
For customized products: the delivery is 2 or 4 workweeks after you place the order.
Q8: How to ensure the safety of payment?
A: Hengjing is the gold supplier of aibaba for more than 4 years and supports Alibaba Trade Assurance. We value our reputation in this field