A Step Towards Infinity
Ever since their introduction by Horatio S. Gree- nough, stereomicroscopes have worked accord- ing to the optical principles based primarily on Ernst Abbe's research. For over a century, ingenious optics designers and engineers have worked to push magnification, resolution and image fidelity to the limit permitted by optics.
In doing so, they have always been constrained by the interrelation between three factors: the higher a microscope's resolution, the lower the available working distance. If one increases the distance of the optical axes, the
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