Winlens lab instructions
Winlens lab instructions
Winlens lab instructions
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where n i is the refractive index of the lens, so to reduce image curvature, the<br />
radii of curvature should be chosen so that R2 – R1 is small. Because the focal<br />
length is fixed, this means that the radii of curvature have to be small. This<br />
causes strong spherical aberration, so there is a trade-off between field curvature<br />
and spherical aberration. Remember that spherical aberration can be reduced by<br />
proper placement of the stop.
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