Not all data sheets are created equal!
Schneider's MTF graphs contain polychromatic diffraction MTF data - not just geometric MTF data. Schneider's MTF graphs are realistic indicators of actual lens performance in the field. If you are considering a lens from another supplier, it is in your best interests to ask exactly what their data sheets contain.
 


  Telecentricity, Distortion, Transmittance
    Modulation Transfer Function, Edge Spread Function
    Mechanical Dimensions
   
Numerical
Aperture
Geometric
Distortion
Working
Distance
Max.
Image
Circle
Field
of
View
Xenoplan
0.27X
PDF
PDF
PDF
0.1
< 0.5mm
100mm ± 3mm
11mm
32.6mm x
24.4mm
Xenoplan
0.39X
PDF
PDF
PDF
0.1
< 0.5mm
104mm ± 2mm
11mm
22.6mm x
16.9mm
Xenoplan
0.62X
PDF
PDF
PDF
0.1
< 0.5mm
111mm ± 2mm
11mm
14.2mm x
10.6mm
Xenoplan
0.79X
PDF
PDF
PDF
0.09
< 0.5mm
106mm ± 2mm
16mm
16.2mm x
12.2mm
 

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Explanation of nomenclature in datasheets.