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OPTIMUM GAIN AND THE MEANING OF STORAGE CAPACITY
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adjustment analog electronics aperture astigmatism bright field bytes camera head chromatic aberration circles computer interfaced Console Logic Continuous Scan defocus density detective quantum efficiency diffraction diffractogram diffractometer disk display DSTAT10 dynamic range elastic electron image electron microscope electron microscopy emulsion energy loss Equation exposure fiber optic FIGURE film fixed pattern noise focus Fourier transform germanium grain high contrast high resolution illumination image plane inelastic scattering input electrons input surface intensifier intensity IPIX light limited line buffer low contrast magnification maximum micro micrograph objective lens operation panel phase shift phosphor screen photocathode photons picture element pixel plate power spectrum quantum efficiency raster scan ratio response sample saturation Scan Logic scan mode sensitivity shutter side band signal-to-noise slow scan spatial frequencies specimen speed storage capacity switch transfer lens TV system video signal video system vidicon target vidicon tube volts wave zero