Illumination apparatus and camera

Details Illumination apparatus and camera Illumination apparatus and camera

2006-01-03

2006-01-03

Ward, John Anthony (Department: 2875)

Illumination

Photographic lighting

Including specific light modifier

C362S268000, C362S285000, C362S296040, C362S308000, C362S328000, C362S335000

Reexamination Certificate

active

06981775

ABSTRACT:
An illumination apparatus is disclosed, whose aperture portion can be made smaller while achieving miniaturization of the apparatus and higher condensing efficiency. The illumination apparatus comprising a light source, and a condensing unit that condenses light emitted from the light source toward the optical axis, wherein the condensing unit includes a negative lens portion that is arranged on a front side of the apparatus and has negative refractive power, a positive lens portion that is arranged near the optical axis and has positive refractive power, and a reflection portion that reflects emitted light that is not directed to the positive lens portion toward the optical axis.

REFERENCES:
patent: 6078752 (2000-06-01), Tenmyo
patent: 6282027 (2001-08-01), Hough
patent: 6471375 (2002-10-01), Kobayashi et al.
patent: H4(1992)-138438 (1992-05-01), None
patent: H8(1996)-262537 (1996-10-01), None
patent: 2000-298244 (2000-10-01), None

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