f number (Meaning)
Wordnet
f number (n)
the ratio of the focal length to the diameter of a (camera) lens system
Synonyms & Antonyms of f number
No Synonyms and anytonyms found
f number Sentence Examples
- The camera's f-number, denoted as f/, determines the size of the aperture, which controls the amount of light reaching the film or sensor.
- Smaller f-numbers indicate a wider aperture, allowing more light to enter the lens and resulting in a brighter image.
- Larger f-numbers indicate a narrower aperture, allowing less light to enter the lens and resulting in a dimmer image.
- Changing the f-number also affects the depth of field, which is the range of distances that appear in focus in the image.
- A smaller f-number (wider aperture) results in a shallower depth of field, making the subject sharp while blurring the background.
- A larger f-number (narrower aperture) results in a greater depth of field, making both the subject and the background appear sharp.
- The optimal f-number for a given scene depends on the desired effect and the lighting conditions.
- Photographers often use f-numbers between f/4 and f/16 for general photography, where a balance between depth of field and image brightness is desired.
- For portraits, a photographer might use a wide aperture (small f-number) to isolate the subject from the background, while for landscape photography, a narrow aperture (large f-number) might be used to keep both the foreground and background in focus.
- The relationship between f-number, aperture, and depth of field is a fundamental concept in photography, and understanding it helps photographers control the creative aspects of their images.
FAQs About the word f number
the ratio of the focal length to the diameter of a (camera) lens system
No synonyms found.
No antonyms found.
The camera's f-number, denoted as f/, determines the size of the aperture, which controls the amount of light reaching the film or sensor.
Smaller f-numbers indicate a wider aperture, allowing more light to enter the lens and resulting in a brighter image.
Larger f-numbers indicate a narrower aperture, allowing less light to enter the lens and resulting in a dimmer image.
Changing the f-number also affects the depth of field, which is the range of distances that appear in focus in the image.
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