Product Description
Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. And they are widely used in scientific experiments and industrial applications where that change is necessary. Color Separation Filter,Neutral Density Filter,Filter,Short/Long Wave Pass Filter,Bandpass Filter and Interference Filter
Specification of our color filter as follow:
Material:Filter Glass,BK7
Dimension: 4mm-160mm - 0.20mm
Squares/Rectangles:1mm-165mm
Thickness:0.5mm-4mm
Thickness tolerance:+/-0.01mm-0.1mm
Paralism: Up to 3 Arc minutes
Edges:Fine
Ground Flatness:Up to Lambda/10
Surface quantity: 80/50-20/10 Scratch/Dig
| Range of diameter |
Dia.0.7mm-Dia.400mm |
| Range of curve radius |
R1.5-R∞ etc. |
| Tolerance of diameter |
+/-0.1, +/-0.01, +/-0.005 etc. |
| Surface accuracy |
λ , 1/2λ , 1/4λ , 1/10λ etc. |
| Tolerance of Thickness |
+/-0.1, +/-0.05, +/-0.01 etc. |
| Centration |
+/-2′,+/-1′ etc. |
| Aperture N |
5, 1 etc. |
| Irregularity ΔN |
2, 1, 0.5, 0.2 etc. |
| Surface quality |
60/40, 40/20, 20/10, 10/5 etc. |
Why Us ?
1. Reasonable quotation. We reject unrealistic low prices. As a prerequisite, to ensure the highest quality of lens and offer the reasonable price.
2.Quality assurance. Besides pass the ISO9001 certification, experience team and efficient equipment are the vital guarantee for the product.
3. Timely Delivery. We could ship goods to you in time as lead time we negotiate.
4. Convenient logistics services. We usually cooperate with the famous express logistics company, including 90% regions of the world and ensure the products can delivery to the customers safety and quickly.
Logistics
In order to make the goods safe fast accurate to your hands, we generally recommend that you choose the international logistics company!
Q: What's the delivery time?
(1) For the standard products such as ball lens, powell lens etc.:
For inventory: the delivery is 5 working days after order.
For customized products: the delivery is 2 or 3 working weeks after order.
(2) For the off-standard products, the delivery is 2 or 6 working weeks after you place the order.
Q: How to pay?
T/T, Paypal, West Union, MoneyGram, Secure payment etc.
Q: What's the MOQ?
(1) For inventory, the MOQ is 1 pc.
(2) For customized products, the MOQ is 10pcs-20pcs.
It depends on the technical parameter.
Q: Do you have inspection report for material?
Yes, a inspection report will be supplied, besides, we can also supply ROHS report and reach reports for our products if there is special requirement.
Q: How to ensure the safety of payment?
(1) VY Optics is a reputable company, who is keen to build long-term business relationship with you, but not only one time cooperation..
(2) VY Optics is registered in Chinese government department, all our credentials could be checked on internet.
){kind=link}
){kind=link}