(Solved): Calculate the limit of resolution (no aberrations) of an electron microscope operating at 200 KeV w ...

Calculate the limit of resolution (no aberrations) of an electron microscope operating at 200 $\mathrm{KeV}$ with an objective lens of $1\mathrm{mm}$ focal length. Typical objective aperture diameters range from 2-100 $\mu \mathrm{m}$. The resolution can be estimated by the Rayleigh criteria: $r=1.22\frac{f\lambda }{D}$ Where $r$ is the resolution, $f$ is the focal length, $\lambda$ is the wavelength of the electron, and $D$ is the aperture diameter.