Optical Bk7 Glass Airport Lighting Magnifying Spherical Lens

Double-Convex Lens, also named Bi-Convex Lens, is most suitable where the object and image are on opposite sides of the lens and the ratio of the image and object (conjugate ratio) distances is between 0.2 to 5. It is used in beam expanders, projection optics systems, optical viewers, etc.

* Picture show of our double convex spherical lens

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 a high-precision lens as per your request.

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 the 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, depending on exact quantity and order date.
Q: Is it possible to customize a special lens?
 ·  Yes, to customize special optical elements 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;
 · Lightweight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
 · Heavy cargo: by air or by sea, ship on a pallet.
Our company enjoys a considerable discount owing to long-term cooperation with the courier company.