Optical K9 Glass Bi- Convex Spherical Lenses

>> Product DescriptionDouble-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;We supply op

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>> Product Description
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;
We supply optical spherical lenses,include plano-convex spherical lens,plano-concave spherical lens,bi-convex spherical lens,bi-concave spherical lens,meniscus spherical lens,special spherical lens etc..Optical K9 Glass Bi-Convex Spherical Lenses

>> Specification
Specification of our double-concave spherical lenses as follow:
*Material: K9 or other materials
*Focal length:+/-1%
*Center thickness tolerance:+/-0.01mm
*Centration:1 arc minutes
*Surface Figure:lambda/2 at 633nm on plano side
*Surface quality:40/20 stratch/dig
*Clear Apenture>90%
*Chamfer Protective:0.25mm at 45 degree typical
*Coating:optional
 
Range of diameterDia.0.7mm-Dia.400mm
Range of curve radiusR1.5-R∞ etc.
Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.
Surface accuracyλ , 1/2λ , 1/4λ , 1/10λ  etc.
Tolerance of Thickness+/-0.1, +/-0.05, +/-0.01 etc.
Centration+/-2′, +/-1′ etc.
Aperture N5, 1 etc.
Irregularity ΔN2, 1, 0.5, 0.2 etc.
Surface quality60/40, 40/20, 20/10, 10/5 etc.
 
 
>> Company Introduction

Optical K9 Glass Bi-Convex Spherical Lenses

Optical K9 Glass Bi-Convex Spherical Lenses
Optical K9 Glass Bi-Convex Spherical Lenses
Optical K9 Glass Bi-Convex Spherical Lenses


>> 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.
Optical K9 Glass Bi-Convex Spherical Lenses

>> 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 K9 Glass Bi-Convex Spherical Lenses


 

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