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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
20mm Dia. x 50mm FL, NIR I Inked, Double-Convex Lens

Stock #63-648-INK
£40.80
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Qty 1-9
£40.80
Qty 10
£36.72
Volume Pricing
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Diameter (mm):
20.00 ±0.025
Back Focal Length BFL (mm):
48.84
Effective Focal Length EFL (mm):
50.00
Coating:
NIR I (600-1050nm)
Coating Specification:
Ravg ≤0.5% @ 600 - 1050nm
Substrate:
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):
3.50
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
1.52
Radius R1=-R2 (mm):
51.08
Clear Aperture CA (mm):
19.00
f/#:
2.5
Focal Length Specification Wavelength (nm):
587.6
Numerical Aperture NA:
0.20
Type:
Double-Convex Lens
Typical Energy Density Limit:
7 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
600 - 1050

Regulatory Compliance

RoHS:

Product Family Description

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.

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