eo_logo
 
All Products / Optics / Optical Lenses / Plano-Convex Lenses / NIR II Coated Plano-Convex (PCX) Lenses
See all 399 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

18.0mm Dia. x 50.0mm FL, NIR II, Inked, 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.
×
Stock #38-420-INK Contact Us
×
Other Coating Options
×
- +
€50,50
Qty 1-9
€50,50
Qty 10+
€45,50
Volume Pricing
Request Quote
Get Product Downloads
Diameter (mm):
18.00 ±0.025
Effective Focal Length EFL (mm):
50.00 @ 587.6nm
Back Focal Length BFL (mm):
48.09
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):
2.90 ±0.10
Edge Thickness ET (mm):
1.28
Radius R1 (mm):
25.84
Clear Aperture CA (mm):
17
f/#:
2.78
Numerical Aperture NA:
0.18
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
750 - 1550
Damage Threshold, By Design: 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:
Compliant
×
Certificate of Conformance:
View
×

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.