Zoom lens system and image pickup apparatus having the system

Optical: systems and elements – Lens – With variable magnification

Reexamination Certificate

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C359S683000

Reexamination Certificate

active

11293751

ABSTRACT:
At least one exemplary embodiment is directed to a zoom lens system including, in order from an object side to an image side: a first lens unit having a negative optical power; a second lens unit having a positive optical power; and a third lens unit having a positive optical power. In this particular exemplary embodiment, the zoom lens system changes an interval between the first and second lens units, and an interval between the second and third lens units during zooming.

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