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

20.0mm Dia. x 30.0mm FL, NIR II Coated, Plano-Convex Lens

Stock #67-533
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Qty 1-9
£35.27
Qty 10+
£31.88
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Diameter (mm):
20.00 +0.0/-0.025
Effective Focal Length EFL (mm):
30.00 @ 587.6nm
Back Focal Length BFL (mm):
27.30
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
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):
4.50 ±0.10
Edge Thickness ET (mm):
1.84
Radius R1 (mm):
20.10
Clear Aperture CA (mm):
19
f/#:
1.5
Numerical Aperture NA:
0.33
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Typical Energy Density Limit:
8 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
750 - 1550

Regulatory Compliance

RoHS 2015:
Reach 211:

Product Family Description

Plano-Convex (PCX) 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. Coated versions have optimum light transmission. Available in a wide variety of diameters and focal lengths.

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