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Location: Main > Optical Lenses > Aspheric Lens Powell Lens Axicon Lens > PAL-25-25-NIR
Name: DIA25mm NIR Plano-Convex Aspheric Lens f+25mm
P/N: PAL-25-25-NIR
Keywords:Dia25.0xTc12.0mm,BK7,EFL+25mm,DAR@600~1100nm
Unit Price: S$320.00/pc
Available: Call us
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.
 Substrate Material:  N-BK7 glass
 Wavelength Range:  350~1100nm
 Outer Diameter:  25.0,-0.05/+0.0mm
 Focal Length:  25.0mm(+/-1%); designed @587.6nm
 Centre Thickness:  Tc=12.0mm
 Edge Thickness:  Te=4.0mm 
 Design Data:  Drawing & equation to be sent upon requested
 Scratch/Dig:  40-20 S/D
 Clear Aperture:  >90% of surface
 Centration Error:  <3 arc minutes 
 Coating:  Double side AR @600~1100nm; Ravg<0.5%, Rmax<1% 
 Chamfer:  <0.5mm x 45deg