More modern, digitally controlled microscopes are now available, but none have improved upon the electron optics achieved by this type of microscope.
(More modern, digitally controlled microscopes; are; T:now; available) (none; have improved; ) (the electron optics; achieved; by this type of microscope)
More modern, digitally controlled microscopes none the electron optics
are have improved achieved
T:now available
by this type of microscope