>> 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.
VY Optics Photoelectric Technology Co.,Ltd. can supply a full range of filter. They are short pass Filter, long pass Filter, band pass Filter, ultraviole Filtert,
infrared Filter, heat absorbing Filter, and color temperature conversion filters. We use material by China to Schott, Hoya, and other manufacturers to
process them. Metallic films, colored glasses and thin dielectric films filter are all available per your requirements.
>> Specification
Specification of our Colored Glass Filters 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. |
>> Company Introduction
>> Related Products
VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.
>> FAQ
Q: Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q: How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q: Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q: How to pay?
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q: How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q: How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.
Optical Colored Glass Filters for Medical Therapy Equipment
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