40.0mm Dia. x 80.0mm FL, NIR II Coated, PCX N-K5 Lens

Diameter (mm):

40.00 +0.00/-0.10

Effective Focal Length EFL (mm):

80.00 @ 587.6nm

Back Focal Length BFL (mm):

74.78

Coating:

NIR II (750-1550nm)

Coating Specification:

R_abs ≤1.5% @ 750 - 800nm
R_abs ≤1.0% @ 800 - 1550nm
R_avg ≤0.7% @ 750 - 1550nm

N-K5

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Focal Length Tolerance (%):

±1.00

Centering (arcmin):

Center Thickness CT (mm):

8.00 ±0.10

Edge Thickness ET (mm):

2.91

Radius R₁ (mm):

41.84

Clear Aperture CA (mm):

f/#:

2.00

Numerical Aperture NA:

0.25

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Typical Energy Density Limit:

8 J/cm² @ 1064nm, 10ns

Wavelength Range (nm):

750 - 1550

8 J/cm² @ 1064nm, 10ns

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

N-K5 Substrate
Various Anti-Reflection (AR) Coatings
PCX and DCX Options Available

N-K5 Lenses are available in various diameters, focal lengths, as well as Plano-Convex and Double-Convex form factors. Anti-reflective coatings covering the VIS to NIR make these ideal for multiple applications.

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