In this paper results of experiments with a scanning near-field optica
l microscope with shear-force feedback are presented. The setup will b
e described and the shear-force signal as function of distance is show
n. Images of latex spheres and Langmuir-Blodgett layers of pentacosa-a
cid with about 100 nm lateral resolution are presented which show a tr
ue optical contrast due to fluorescence and polarization.