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Aspheric Convex-concave(meniscus) Optical Lenses

Product Description

Meniscus lenses are convex-concave lenses. They have one outward curved face and one inward-curved face. If the outward curve is sharper than the inward curve, the lens has a positive focal length and acts as a magnifier.


Schematic Diagram

Shape Properties

Convex-concave(meniscus) lenses

Part No.

HX-174DT

Diameter (mm)

10.6

Diameter Tolerance (mm)

±0.050

Clear Aperture CA (mm)

7.0

Effective Focal Length EFL (mm)

43.8

Back Focal Length BFL (mm)

38.7

Numerical Aperture NA

 

Center Thickness CT (mm)

2.33

Center Thickness Tolerance (mm)

±0.050

Edge Thickness ET (mm)

1.1

Surface Quality

60 - 40

Centering (arcminutes)

3

Design Wavelength DWL (nm)

550

Coating

Uncoated

Substrate

Optical Grade PMMA, PC

Operating Temperature (°C)

-30 to 80

Certification

RoHs, SGS

Application Examples

Digital Lenses,Viewfinder of camera

Note