6mm Dia. x -6mm FL, MgF₂ Coated, Double-Concave Lens

Diameter (mm):

6.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-6.00

N-SF11

f/#:

1.00

Numerical Aperture NA:

0.50

Coating:

MgF₂ (400-700nm)

Type:

Double-Concave Lens

Wavelength Range (nm):

400 - 700

Back Focal Length BFL (mm):

-6.41

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

1.50

Center Thickness Tolerance (mm):

±0.05

Centering (arcmin):

Clear Aperture CA (mm):

5.4

Coating Specification:

R_avg ≤1.75% @ 400 - 700nm

Edge Thickness ET (mm):

2.29

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁=-R₂ (mm):

-9.74

Surface Quality:

40-20

Typical Energy Density Limit:

10 J/cm² @ 532nm, 10ns

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

View

Product Family Description

AR Coated to Provide <1.75% Reflectance per Surface for 400 - 700nm
Designed for 0° Angle of Incidence
Various Coating Options: Uncoated, VIS 0°, VIS-NIR, NIR I, and NIR II

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

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6mm Dia. x -6mm FL, MgF2 Coated, Double-Concave Lens

Regulatory Compliance

Product Family Description

6mm Dia. x -6mm FL, MgF₂ Coated, Double-Concave Lens