Auxiliary imaging lens and imaging apparatus using the same
AssigneeFuji Photo Optical Co., Ltd.
InventorsKazuo Yoshikawa, Hisao Takemae
Life of this patent
Estimating the term…
Abstract
An auxiliary imaging lens is attachable to the main part of zoom lens on the object side; and is configured such that, when capturing an image for a screen having an aspect ratio of 4:3, an effective imaging area having such a size that the screen having an aspect ratio of 4:3 in a case without using the auxiliary imaging lens is just held therein can be secured, and a focal length yielding a field of view area substantially on a par with a field of view area obtained when capturing an image for a screen having an aspect ratio of 16:9 can be set.
Claims5
An auxiliary imaging lens adapted to be attached to a main part of an imaging lens of a TV camera, said TV camera comprising a solid-state imaging device for capturing a horizontally longer size screen and being capable of capturing an image of a normal size screen by masking a part of right and left sides of said solid-state imaging device;
- and
- wherein when said auxiliary imaging lens is attached to the main part of the imaging lens on an object side;
- a whole image for the normal size screen is substantially secured, a field of view area is substantially on par with a field of view area for the horizontally longer size screen, and focal length is determined in accordance with aspect ratios of the horizontally longer size screen and the normal size screen.
Dependencies are inferred from the claim text.