Name: 25mm Dia., 0.25 Numerical Aperture, 600-1050nm Coated, Inked, High Precision Aspheric Lens
Brand: TECHSPEC
SKU: 16-977-INK
Price: ₹28,050.00

Diameter (mm):

25.00 ±0.025

Effective Focal Length EFL (mm):

50.00 @ 587.6nm

Numerical Aperture NA:

0.25

Back Focal Length BFL (mm):

45.23

N-BK7

Coating:

NIR+ (600-1050nm)

Coating Specification:

R_avg <0.5% @ 600 - 1050nm @ ±30° AOI
R_abs <1.5% @ 600 - 1050nm @ ±30° AOI

Centering (arcmin):

Surface Quality:

40-20

Clear Aperture CA (mm):

24.00

Edge Thickness ET (mm):

4.14

Center Thickness CT (mm):

7.24 ±0.10

f/#:

2.00

Bevel:

Protective bevel as needed

Shape of Back Surface:

Plano

Wavelength Range (nm):

600 - 1050

Conjugate Distance:

Infinite

Asphere Figure Error, RMS @ 632.8nm:

0.4λ

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

Product Family Description

Improved Versions of Our Aspheric Lenses
Precision Grade Aspheric Surfaces
High Numerical Apertures to Maximize Throughput

TECHSPEC® Precision Aspheric Lenses are CNC polished aspheric lenses that feature a 0.4λ RMS aspheric figure error. The precision aspheric figure error makes these lenses ideal for applications that require spherical aberration correction, including imaging and laser focusing applications. These aspheric lenses can also be used to replace multiple spherical elements in optical assemblies to reduce weight and cost. TECHSPEC Precision Aspheric Lenses are available with diameters from 10 to 50mm and high numerical apertures to maximize light throughput.

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