Name: 25mm Dia. x 35mm FL, 8-12μm Coated Germanium Meniscus Lens
Brand: TECHSPEC
SKU: 87-969
Price: S$622.50

Back Focal Length BFL (mm):

33.29

Center Thickness CT (mm):

2.50

Center Thickness Tolerance (mm):

±0.10

Centering (arcmin):

Clear Aperture (%):

90.00

Coating:

BBAR (8000-12000nm)

Coating Specification:

R_avg <3.0% @ 8 - 12μm

Diameter (mm):

25.00 +0.0/-0.1

Edge Thickness ET (mm):

1.6

Effective Focal Length EFL (mm):

35.00

f/#:

1.4

Focal Length Specification Wavelength (μm):

10.6

Numerical Aperture NA:

0.36

Radius R₁ (mm):

38.43

Radius R₂ (mm):

57.61

Germanium (Ge)

Surface Quality:

60-40

Type:

Meniscus Lens

Wavelength Range (μm):

8 - 12

Wavelength Range (nm):

8000 - 12000

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

Wavelength Range of 2 - 16μm
Durable Design for Demanding Applications
Superior Spherical Correction

TECHSPEC® Germanium Meniscus Lenses are designed for demanding infrared applications including infrared imaging or surveillance, remote sensing, or infrared spectroscopy. TECHSPEC Germanium Meniscus Lenses offer superior spherical correction and smaller spot sizes than comparable focal length TECHSPEC Germanium PCX Lenses. These meniscus lenses are offered uncoated or anti-reflection coated for increased performance in the designated coating wavelength range.

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