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TECHSPEC 20.0mm Dia. x -40 FL, Uncoated, Plano-Concave Lens

TECHSPEC Uncoated Plano-Concave (PCV) Lenses

TECHSPEC Uncoated Plano-Concave (PCV) Lenses

Stock #45-022
A$42.08
×
Qty 1-9
A$42.08
Qty 10
A$37.87
Volume Pricing
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Diameter (mm):
20.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-40.00
Back Focal Length BFL (mm):
-42.31
Coating:
Uncoated
Substrate:
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Center Thickness CT (mm):
3.50
Center Thickness Tolerance (mm):
±0.1
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
19.00
Edge Thickness ET (mm):
5.69
Radius R1 (mm):
-20.67
f/#:
2.00
Numerical Aperture NA:
0.25
Bevel:
Protective bevel as needed
Type:
Plano-Concave Lens
Wavelength Range (nm):
350 - 2200

Regulatory Compliance

Reach 197:
RoHS 2015:

Product Family Description

  • Wavelength Range of 350-2200nm
  • Precision Diameter and Centration Tolerances Allow for Easy OEM Integration
  • Wide Variety of Diameters, Focal Lengths, and Coatings
  • Anti-Reflection Coating Options: MgF2, VIS 0°, VIS-NIR, NIR I, and NIR II

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

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