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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Dia. x 175mm FL, NIR I Coated, Double-Convex Lens

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Stock #49-497 Other Coating Options
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$44.00
Qty 1-9
$44.00
Qty 10+
$39.25
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Diameter (mm):
25.00 +0.0/-0.025
Back Focal Length BFL (mm):
173.94
Effective Focal Length EFL (mm):
175.00
Coating:
NIR I (600-1050nm)
Coating Specification:
Ravg ≤0.5% @ 600 - 1050nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
3.20
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
2.33
Radius R1=-R2 (mm):
180.40
Clear Aperture CA (mm):
24.00
f/#:
7.00
Focal Length Specification Wavelength (nm):
587.6
Numerical Aperture NA:
0.07
Type:
Double-Convex Lens
Typical Energy Density Limit:
7 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
600 - 1050
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
7 J/cm2 @ 1064nm, 10ns

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Family Description

TECHSPEC® NIR I Coated Double-Convex (DCX) Lenses, also referred to as bi-convex lenses, have two positive, symmetrical faces with equal radii on both sides. These lenses are generally recommended for finite imaging applications with a conjugate ratio (ratio between object distance and image distance) between 0.2 and 5. At a conjugate ratio of 1, aberrations such as spherical aberration, chromatic aberration, coma, and distortion are minimized or cancelled due to the symmetric lens design. TECHSPEC NIR I Coated Double-Convex Lenses are available in a variety of substrates and coating options for the visible and NIR spectra.

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