They are also useful in examining large items in situ where use of a conventional microscope would be difficult if not impossible.

In blue light, conventional optical microscopes have a diffraction-limited resolution of about 200 nm.

Whatever made the sap infectious was not visible with the conventional microscope.

This makes it extraordinarily difficult to determine the axial, i.e., z position, of the point source with a conventional microscope.

Thus, in a conventional microscope, it is problematic to carry out 3D tracking when the point source is close to the plane of focus.

The Siam device can be attached to conventional light microscopes.

This avoids the observer having to rely on memory when comparing two objects under a conventional microscope.

It tends to make them of lower cost compared with conventional microscopes.

It is a variant of Michelson interferometer that can be installed on a conventional microscope.

In contrast to conventional optical microscopes it enables patients, students and staff to see precisely the same view as the surgeon.