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

25.0mm Dia. x 60.0mm FL, NIR II Coated, Plano-Convex Lens

Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number. Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #67-547 In Stock
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$41.00
Qty 1-9
$41.00
Qty 10+
$37.00
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Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
60.00 @ 587.6nm
Back Focal Length BFL (mm):
56.90
Coating:
NIR II (750-1550nm)
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Tolerance (%):
±1
Centering (arcmin):
<1
Center Thickness CT (mm):
4.70 ±0.10
Edge Thickness ET (mm):
2.07
Radius R1 (mm):
31.01
Clear Aperture CA (mm):
24
f/#:
2.4
Numerical Aperture NA:
0.21
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
750 - 1550
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
8 J/cm2 @ 1064nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Family Description

TECHSPEC® NIR II Coated Plano-Convex Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. TECHSPEC® NIR II Coated Plano-Convex Lenses are available in a wide variety of diameters and focal lengths. Identical designs of these lenses are also offered uncoated or with broadband anti-reflective (BBAR) coatings, which include MgF2, VIS 0°, VIS-NIR, NIR I, VIS-EXT, and YAG-BBAR.