China Optical Sapphire Glass Dia. 81.26mm*21.5mm Windows Camera Port

>> Product Description
Optical window is optical glass with grinding and polished faces that are parallel to each other, windows 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.
They are mainly used in mobile phone screen, digital camera, digital video recorders, industrial optical windows, touch screen products, GPS products, digital electronic products windows, car rearview mirror, computer screen, laptop screen, watch surface and so on.
VY Optics Photoelectric Technology Co., Ltd. Offers 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. Oval windows, round windows, square windows, disc, windows with hole are all available here, material could Bk7 glass, fused silica, JGS1, JGS2, B270, float glass, sapphire etc...
>> Specification
The windows is the most popular item here. For example, dia. 7.8mm round windows with B270 glass, which is used to protect the camera lens. Month productivity is 500, 000 pcs.
Normal specification of windows as follow:
*Material: BK7 or other materials, follow use requirement
*Length tolerance: +/-0.01
*Width tolerance: +/-0.01
*Center thickness tolerance: 0.005mm
*Surface quality: 80-50 to 10-5 Scratch/Dig
*Surface flatness: <lambda to lambda/20
*Parallelism<=1min -- 2sec
*Clear Aperture: 80% -- 100%

materialBK7 or other materiallength tolerance+/-0.01width tolerance+/-0.01center thickness tolerance0.005mmsurface quality80-50 to 10-5suface flatnedd<lambda to lambda/20parallelism<=1min--2secclear aperture80%--100%

>> 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:
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
· 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:
· Yes, to customize special optical element and coating are available here.
Q:
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
· 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:
· 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.