12mm Dia. x -18mm FL, VIS 0°, Inked, Double-Concave Lens

Diameter (mm):

12.00 ±0.025

Effective Focal Length EFL (mm):

-18.00

Back Focal Length BFL (mm):

-18.65

Coating:

VIS 0° (425-675nm)

Coating Specification:

R_avg ≤0.4% @ 425 - 675nm

Substrate:

N-BK7

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Clear Aperture CA (mm):

11.00

Center Thickness CT (mm):

2.00

Center Thickness Tolerance (mm):

±0.05

Centering (arcmin):

Bevel:

Protective bevel as needed

Edge Thickness ET (mm):

3.76

f/#:

1.5

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Numerical Aperture NA:

0.33

Radius R₁=-R₂ (mm):

-18.94

Type:

Double-Concave Lens

Typical Energy Density Limit:

5 J/cm² @ 532nm, 10ns

Wavelength Range (nm):

425 - 675

Regulatory Compliance

RoHS:

Conformidad Europea

Product Family Description

Tratamiento AR para Proporcionar <0.4% de Reflejo por Superficie de 425nm a 675nm
Diseñados Para Un Ángulo de Incidencia de 0°

Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.

12mm Dia. x -18mm FL, VIS 0°, Inked, Double-Concave Lens

Regulatory Compliance

Product Family Description

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