Name: 25mm Dia. x 35mm FL, 3 - 12μm Coated, Ge Plano-Convex Lens
Brand: TECHSPEC
SKU: 87-945
Price: S$570.00

Diameter (mm):

25.00 +0.0/-0.1

Effective Focal Length EFL (mm):

35.00 @ 10.6µm

Back Focal Length BFL (mm):

34.25

Coating:

BBAR (3000-12000nm)

Coating Specification:

R_avg <5.0% @ 3 - 12μm

Germanium (Ge)

Surface Quality:

60-40

Centering (arcmin):

Center Thickness CT (mm):

3.00 ±0.10

Edge Thickness ET (mm):

2.25

Radius R₁ (mm):

105.14

Clear Aperture CA (mm):

f/#:

1.4

Numerical Aperture NA:

0.36

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Wavelength Range (nm):

3000 - 12000

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

Wavelength Range of 2 - 16μm
Rugged, Durable Material
Ideal for Defense, Security, and Thermal Imaging Applications
Additional Infrared Lenses Available in Popular Substrates

Our TECHSPEC® Germanium Plano-Convex (PCX) Lenses feature precision diamond turned surfaces making them ideal for a variety of infrared applications, including thermal imaging, infrared spectroscopy, and remote sensing. Germanium (Ge) is popular for its high index of refraction, broad transmission range, and rugged mechanical properties. These lenses are available in 25 and 50mm diameters, uncoated, or with multiple broadband coating options. For more information on Germanium properties, please review our guide to selecting The Correct Material for Infrared (IR) Applications.

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