Diameter (mm):

40.00 +0.00/-0.10

Effective Focal Length EFL (mm):

200.00 @ 587.6nm

Back Focal Length BFL (mm):

197.36

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):

<1

Center Thickness CT (mm):

8.00 ±0.10

Edge Thickness ET (mm):

6.07

Clear Aperture CA (mm):

39

f/#:

5.00

Numerical Aperture NA:

0.10

Type:

Double-Convex Lens

Bevel:

Protective bevel as needed

Wavelength Range (nm):

750 - 1550

8 J/cm² @ 1064nm, 10ns

40mm Dia. x 200mm FL, NIR II Coated, DCX N-K5 Lens