f number Synonyms

No Synonyms and anytonyms found

f number Meaning

Wordnet

f number (n)

the ratio of the focal length to the diameter of a (camera) lens system

f number Sentence Examples

1. 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.
2. Smaller f-numbers indicate a wider aperture, allowing more light to enter the lens and resulting in a brighter image.
3. Larger f-numbers indicate a narrower aperture, allowing less light to enter the lens and resulting in a dimmer image.
4. Changing the f-number also affects the depth of field, which is the range of distances that appear in focus in the image.
5. A smaller f-number (wider aperture) results in a shallower depth of field, making the subject sharp while blurring the background.
6. A larger f-number (narrower aperture) results in a greater depth of field, making both the subject and the background appear sharp.
7. The optimal f-number for a given scene depends on the desired effect and the lighting conditions.
8. 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.
9. 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.
10. 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

What is the meaning of the word f number

the ratio of the focal length to the diameter of a (camera) lens system

What are the synonyms of the word f number

No synonyms found.

What are the antonyms of the word f number

No antonyms found.

What is the usage of word f number

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.

How to use the word f number in a sentence?

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.