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Location: Main > Optical Lenses > Aspheric Lens Powell Lens Axicon Lens > PAL-50-37-NIR
Name: DIA50.0mm Aspheric Lens EFL+37mm(DAR@600-1100nm)
P/N: PAL-50-37-NIR
Keywords:Dia50.0x2.0mm,B270,EFL+37mm,PCX,AR/AR@600-1100nm
Unit Price: S$289.00/pc
Available: In stock
Request: Add to Request List
Introduction:
An aspheric lens or asphere is a lens whose surfaces have a
profile that is neither a portion of a sphere nor of a circular
cylinder. In photography, a lens assembly that includes an
aspheric element is often called an aspherical lens.
The asphere's more complex surface profile can eliminate
spherical aberration and reduce other optical aberrations
compared to a simple lens. A single aspheric lens can often
replace a much more complex multi-lens system. The resulting
device is smaller and lighter, and possibly cheaper than the
multi-lens design. With this version, both surfaces come with broadband anti-reflection(AR) coating over 600-1100nm band.

Material:
B270 Optical Glass
Wavelength Range:
350~2100nm
Outer Diameter:
50.0,+/-0.2mm
Effective Focal Length:
EFL + 37.0mm (+/-5%)
Lens Configuration:
Plano-convex type
Back Focal Length:
BFL +27mm
Numerical Aperture(NA):
0.64
Surface Polish:
Aspheric convex surface 60-40 S/D polished;
Plano surface: 60-40 S/D polished
Center Thickness:
16.7mm
Edge Thickness:
2.0mm (step)
Clear Aperture:
Dia46.0mm on both surfaces
Chamfer:
<0.5mm x 45deg
Coating (both surfaces):
AR @ 600-1100nm, R<0.5% max (0 deg design)