Diameter (mm):

25.00 +0.00/-0.15

Effective Focal Length EFL (mm):

17.50 @ 587.6nm

Numerical Aperture NA:

0.71

Back Focal Length BFL (mm):

11.22

Zeonex E48R

Aspheric Design Wavelength (nm):

587.6

Coating:

BBAR (425-675nm)

Coating Specification:

R_avg <0.7% @ 425 - 675nm

Centering (arcmin):

<5 (by design)

Surface Quality:

80-50

Clear Aperture CA (mm):

21.5

Edge Thickness ET (mm):

1.05

Center Thickness CT (mm):

10.90 ±0.20

f/#:

0.7

Bevel:

Protective bevel as needed

Operating Temperature (°C):

-30 to 70

Radius R₂ (mm):

50.47

Shape of Back Surface:

Convex

Type:

Aspheric Lens

Wavelength Range (nm):

425 - 675

Conjugate Distance:

Infinite

25mm Diameter x 17.5mm FL, VIS Coated, Plastic Aspheric Lens