Objective lens for endoscope

Optical: systems and elements – Lens – Multiple component lenses

Patent

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Details

359660, 359740, G02B 958, G02B 2102, G02B 900

Patent

active

057813507

ABSTRACT:
An objective lens for an endoscope including a first lens group including one negative lens, a second lens group having a positive power, a third lens group having a negative power, and an aperture stop provided between the first lens group and the second lens group. The objective lens satisfies the relationships:

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