Dia.=28, FL= -89.14 F5 glass Convex-concave(meniscus) lenses ( HX-AT029)

Dia.=28, FL= -89.14  F5  glass Convex-concave(meniscus) lenses ( HX-AT029)

Introduction :

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.


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Schematic Diagram

Shape Properties

Convex-concave(meniscus) lenses

Part No.

HX-AT029

Diameter (mm) < Tolerance >

28 < +0.0/-0.2mm >

Clear Aperture CA (mm)

>90%

Focal Length FL (mm) < Tolerance >

-89.14 < ±1% >

Center Thickness CT (mm)

2.13 < ±0.1 >

Edge Thickness ET (mm)

4.019

Surface Quality

60-40 scrath and dig

Centering (arcminutes)

<3

Design Wavelength DWL (nm)

587.6

Coating

coat

Substrate

F5 glass,UV grade

Surface error

N<3(0.5)@632.8nm

Certification

RoHs, SGS

Application Examples

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