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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
6mm Diameter x -18 FL, NIR II, Inked, Plano-Concave Lens
Effective Focal Length EFL (mm):
Back Focal Length BFL (mm):
Center Thickness CT (mm):
Center Thickness Tolerance (mm):
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Focal Length Specification Wavelength (nm):
Focal Length Tolerance (%):
Typical Energy Density Limit:
8 J/cm2 @ 1064nm, 10ns
Irregularity (P-V) @ 632.8nm:
Certificate of Conformance:
Product Family Description
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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