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See all 166 Products in Family

40mm Dia. x 80mm FL VIS-EXT Coated, Double-Convex Lens

Stock #34-191

$61.50

Qty 1-9
$61.50

Qty 10
$55.40

Volume Pricing
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Curve eDrawing: eprt IGES PDF Drawing STEP: stp Zemax: zmx

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Diameter (mm):

40.00 +0.000/-0.025

Back Focal Length BFL (mm):

77.32

Effective Focal Length EFL (mm):

80.00

Coating:

VIS-EXT (350-700nm)

Coating Specification:

R_avg <0.5% @ 350 - 700nm

Substrate:

N-BK7

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Centering (arcmin):

<1.07

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

8.00

Center Thickness Tolerance (mm):

±0.1

Edge Thickness ET (mm):

3.00

Radius R₁=-R₂ (mm):

81.3

Clear Aperture CA (mm):

39.00

f/#:

2.00

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Numerical Aperture NA:

0.25

Type:

Double-Convex Lens

Wavelength Range (nm):

350 - 700

Regulatory Compliance

RoHS:

Compliant

Product Family Description

AR Coated to Provide <0.4% reflectance per surface for 425 - 675nm>
Designed for 0° Angle of Incidence
Various Coating Options: Uncoated, MgF₂, VIS 0°, VIS-NIR, NIR I, NIR II, and YAG-BBAR

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.