viewfinder

n.

（照相机）取景器；检像器；

复数：viewfinders

1. I need a viewfinder to take a photo.
   我需要取景器拍照。
2. My camera has an optical viewfinder.
   我这个照相机装有光学取景器。

CAMERA SYSTEM AND METHOD FOR PROVIDING INFORMATION ON SUBJECTS DISPLAYED IN A CAMERA VIEWFINDER
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American Viewfinder. (Book Reviews: Reading National Geographic.)
Viewfinder Alignment
Viewfinder Alignment
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Wearable camera system with viewfinder means
Camera having an electronic viewfinder for displaying an object image under different photographic conditions
Identifying Controlling Features of Engineering Design Iteration