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Meniscus Lens

Meniscus Lens

Enhance Your Vision with ALHAZEN Meniscus Lenses

ALHAZEN China specializes in superior meniscus lenses, offering both positive and negative focal lengths to meet diverse optical needs...

  • Material Optical Glass
  • Surface Flatness < λ/5 @ 633nm
  • Scratch/Dig < 40/20 (both sides)
  • Eccentricity ≤ 1arcmin
  • Focal Length Tolerance < ± 1%
  • Diameter Tolerance < + 0.00/ - 0.02mm
  • Thickness Tolerance < ± 0.05
  • Clear Aperture ≥ 95% of diameter

 Positive meniscus lens

The positive meniscus lens is used for applications requiring small focal numbers (less than 2.5). For focal lengths between 2.5 and 10, a meniscus lens minimizes spot size and improves image quality. The concave side curvature of a positive lens is smaller and the convex side curvature is larger.

  1. Frequently used for beam focusing applications
  2. Minimizes the increase in spherical aberrations for multi-element systems


 Negative meniscus lens

The negative meniscus lens is used for applications using infrared materials with a high refractive index. These lenses serve as substitutes for other negative lenses with greater curvature on the concave side and less curvature on the convex side. They are used in beam spreading applications where minimal spherical aberration is required.

  1. Frequently used for beam expanding applications
  2. Minimizes the increase in spherical aberrations for multi-element systems




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 Custom&OEM Process


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 Enterprise Introduction




 FAQ:

Q1:Are you a factory?

Yes, we are a professional manufacturer of optical components, we have more than20 years experience in optical cold working.


Q2:What is the MOQ of your products?

No MOQ for customer if our productis in stock,or 1-10pcs.


Q3:Can I custom the products based on my requirement?

Yes, we can custom the material, specifications and optical coating for your optical components as your requirement.


Q4:How canI get sample from you?

Just send us your requirements, then we will send samples accordingly.


Q5:How many days will samples be finished? How about mass products?

Generally, we need 1-2 days to finish the sample production. As for the mass products, it depends on your order quantity.


Q6:What's the delivery time?

(1) For inventory: the delivery time is 1-3 working days.

(2) For customized products: the delivery time is 7 to 25 working days According to the quantity.


Q7:How do you controlthe quality?

More than four times quality inspect during production process, we can provide the Quality test report.


Q8:How about your optical lens production ability per Month?

About 20000pcs/Month.According to the detail requirement.


Q9:What is your payment term? 

T/T or L/C,if you want any other way,please contact us.


 Shipping:

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 Payment:

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