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"The intersection of the principal rays lies in front of the object, and consequently objects in front of the plane focused for will be projected on E magnified and the objects lying behind it diminished ("hypercentric" transmission). It produces a perspective representation entirely opposed to ordinary vision." —Encyclopaedia Britannica, 1910

Hypercentric Transmission in Microscopic Objective

"The intersection of the principal rays lies in front of the object, and consequently objects in front…