Lens unit

Details Lens unit Lens unit

2004-12-29

2008-08-26

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000

Reexamination Certificate

active

07417808

ABSTRACT:
A lens unit includes a lens holder having an opening and an inner wall, the lens having an optical axis passing through the opening, a first lens having an outer circumference, and arranged in the lens holder along the optical axis, a second lens having an outer circumference, and arranged in the lens holder along the optical axis, and three strut portions provided on the inner wall of the lens holder. The strut portions position the first lens and the second lens. The strut portions have surfaces facing the optical axis, respectively, the surfaces of the strut portions slanting with respect to the optical axis and contacting the outer circumference of the first lens and the outer circumference of the second lens. This lens unit has the lenses positioned accurately.

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