About optical window
The window can be a protection of original when it's in two physical environments. And there is almost no effect on visible light, to coat on the surface of windows could increase the transmittance, the commonly used coatings are antireflection coating (AR) and scratch-resistant coating(AS). Windows with coating can enhance the light penetration strength, and own function of waterproof, dustproof, and scratch-proof.
Optical winodow from VY
VY can supply optical windows by BK7 glass, fused silica, sapphire and float glass, B270 glass and so on. Dimension depends on your requirement.
We offer all types of windows made from different materials. Special size and materials are also available upon request. In addition, we provide a variety of single layer or multiplayer anti-reflecting coating on optical windows.
Specification of our optical windows as follow:
material |
BK7 or other material |
length/width tolerance |
+/-0.01mm |
center thickness tolerance |
0.005mm |
surface quality |
80/50-10/5 |
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. |
What can we do for you ?
VY Optics provide professional design of optical lenses, Coating service and all kinds of optical elements processing include mainly high-precision prism, filter, rod lens, ball lens, dome lens, cylindrical lens, grin lens, micro-lenses, optical sapphire customized components, window, spherical lenses and aspheric lenses, powell lens and infrared materials products.
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.
>> 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, MoneyGram, West Union, Paypal and so on.
Q: How to ensure the safety of payment?
· VY Optics is a reliable supplier on Made-in-China, reputation and quality is life of our company.
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.