Objective lens for endoscope

Details Objective lens for endoscope Objective lens for endoscope

1996-01-17

1998-03-03

Nelms, David C.

Optical: systems and elements

Lens

Microscope objective

359782, 359783, 359770, 359787, 359788, 359740, G02B 2102, G02B 900

Patent

active

057241902

ABSTRACT:
An objective lens for an endoscope includes a first lens group having one negative lens, a second lens group having at least one positive lens, and a third lens group including a positive lens. The objective lens satisfies the following relationship:

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