Abstract
SUMMARYA recently developed illumination device for microscopes, VISUFLASH, is a universal and variable flash steering device for visual examination, photomicrography and cinematomicrography. The spectral energy distribution of light from the flashtube is suitable for UV‐ visible‐ and IR‐light examination. Furthermore it is, with the aid of the customary filters, possible with this light source to carry out microscopic examinations with transmitted and incident light, and make observations when use is made of dark‐field illumination, phase contrast (+ and ‐), interference contrast, INTERPHACO®, fluorescence contrast and polarized light. Problems in connection with ultra‐short‐time‐effect and the Schwarzschild effect do not occur. In comparison to existing gas discharge light sources VISUFLASH is economical.
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