A system is provided for reflex-free coaxial illumination that includes an
objective lens group having an optical axis. An illumination source is
axially disposed from the objective lens. The illumination source
provides at least one light beam. The light beam is directed across the
optical axis through a peripheral section of the objective lens. The
light beam form a continuous field of illumination at a subject. A reflex
mask is disposed behind the illumination source.