Diameter (mm):

18.00 +/-0.3

Effective Focal Length EFL (mm):

8.40 @ 587.6nm

Numerical Aperture NA:

1.06

Back Focal Length BFL (mm):

4.50

F4GT

Focal Length Tolerance (%):

±5

Coating:

MgF₂ (400-700nm)

Coating Specification:

R_avg ≤ 1.75% @ 400 - 700nm

Centering (arcmin):

≤25

Surface Quality:

Molded Side: 5/3 x 1.6
Polished Side: 5/3 x 1.6

Clear Aperture CA (mm):

14.40

Edge Thickness ET (mm):

2.8

Center Thickness CT (mm):

6.30 (nominal)

f/#:

0.47

Bevel:

Protective bevel as needed

Diameter of Asphere (mm):

15.0

Radius R₂ (mm):

Plano

Shape of Back Surface:

Plano

Type:

Condenser Lens

Wavelength Range (nm):

400 - 700

Conjugate Distance:

Infinite

Note:

Click here for more information on the ISO 10110 surface quality specification.

18mm Dia. x 8.4mm FL, MgF₂ Molded Aspheric Condenser Lens

Regulatory Compliance

產品系列說明

18mm Dia. x 8.4mm FL, MgF2 Molded Aspheric Condenser Lens

Regulatory Compliance

產品系列說明

18mm Dia. x 8.4mm FL, MgF₂ Molded Aspheric Condenser Lens