Jiangsu, China
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Peak season lead time: one month
Off season lead time: within 15 workdays
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Optical Lens, Optical Window, Optical Glasses manufacturer / supplier in China, offering Reasonable Concave Lens with B270 Material, Wholesale Prescription 1.56 Progressive Eyeglass Lenses Optical Eye Lens, Cr39 1.56 Single Vision Effect Hmc Hard Multi Coated Stock Ophthalmic Lenses Price and so on.

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Supplier Homepage Products Cylindrical Lens Reasonable Concave Lens with B270 Material

Reasonable Concave Lens with B270 Material

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Purchase Qty. / Reference FOB Price
10-99 Pieces US $10
100+ Pieces US $9
Port: Shanghai, China
Production Capacity: 50000piecs/Month
Payment Terms: T/T, Western Union, Paypal
Usage: Optical
Type: Convex Lens
Transmittance: 90%-95%
Shape: Cylindrical Shaped Lens
Material: Optical Glass
Lenses Color: Clear

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Basic Info

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General Information

This lower cost product offering of Concave lenses has only minimal reduction in quality and is perfect for most applications. It can be used in an optical systems such as observation or lighting applications when the higher surface quality Concave Lens (SLB-N) is not required.
It has the same specification of Concave Lens (SLB-N) except the surface quality and is ideal for experiments and applications where high-precision is not required.
There are two types of lens offer, a Plano concave lens with low spherical aberration and a biconcave lens that is used to shorten the focal length.
In addition to uncoated products, there are three types of anti-reflection coating for visible, near-infrared, and infrared.


Lenses are available in a large selection and in custom sizes and focal lengths.
In addition to our standard coating we offer custom anti-reflective coating at specific wavelengths.
Achromatic lenses (DLB) which are chromatic aberration correction are also available. 


Plano concave lens and biconcave lens has a chromatic aberration, and the focal length will vary depending on the wavelength. Please check the "wavelength characteristic of the focal length data" on "Technical Data" of Plano concave lenses (SLB-N) or Biconcave lenses (SLB-B-N) for the focal lengths of each wavelength. 
Transmissions losses due to reflection off the front and rear surfaces of the lens can be minimized by coating the surfaces. Consult our Sales Division for anti-reflection coatings suitable for your application.
The outer edge of the concave side is chamfered and the result is possibility that the lens may have a smaller edge thickness for this design.

Common Specifications

Design Wavelength546.1nm
Refractive index ne1.519
Clear apertureS-SLB-N : 90% of the diameter
S-SLB-B-N : 85% of the diameter )
Surface Quality (Scratch-Dig)60-40
Reasonable Concave Lens with B270 Material
Reasonable Concave Lens with B270 Material
Reasonable Concave Lens with B270 Material

Delivery Type

Generally, we use the Fedex, DHL, UPS, TNT, Shunfeng, etc. Please note it before delivery. Transit time deponds on the express and destination. By the way, we would re-check all the details before delivery.

Customized Service

Reasonable Concave Lens with B270 Material

Reasonable Concave Lens with B270 Material
Reasonable Concave Lens with B270 Material

Contact Information

Amy Kuang


Reasonable Concave Lens with B270 Material

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