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focal ratio (In photography, the diameter of the aperture expressed in terms of the focal length of the camera lens. The greater the f-number, the less light reaches the film and the more in focus the objects in the foreground and the background will be. For example, with an f-number = 16 the objects in the far background will be in focus. Whereas, with an f-number = 2 the background will be blurry (while foreground objects are in focus)) | |||
aperture stop; aperture; f-stop; lens opening; stop | |||
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pinhole; pinhole diaphragm |
otvor blende : 25 phrases in 1 subject |
Photography | 25 |