diaphragm
- noun
- /ˈdaɪəˌfræm/
- Specialized
:
diafragma
- Even stopped down to the same aperture, their bokeh is different, though they both have seven diaphragm blades.
Examples
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The amazing thing about the diaphragm is that it's mechanically extremely efficient.
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If you close down the diaphragm and you get lots and lots of stuff in focus near to far, on the other hand, you're cutting down the amount of light.
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Maybe the position of the diaphragm (further/closer in the lens)?
Blog text (18) -
A rounded 9-blade diaphragm creates an attractive blur in the out-of-focus areas of the image.
Blog text (20) -
The diaphragm in a camera controls the aperture, allowing you to adjust the amount of light that enters.
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To achieve the desired exposure, photographers often adjust the diaphragm settings on their cameras.
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When the diaphragm is set to a wider opening, more light reaches the image sensor, resulting in a brighter photo.
Synonyms
19
7.4
An adjustable opening in a camera lens that controls how much light enters
15
7.1
A ring of thin plates that opens and closes to control light entering a lens
A part with thin overlapping plates that controls how much light passes through a lens
An adjustable opening in a camera lens that controls how much light enters
Compounds
A flexible cup inserted into the vagina to cover the opening to the womb and stop sperm entering
- Specialized
A part with thin overlapping plates that controls how much light passes through a lens
Surface Forms
Etymology
Diaphragm comes from Greek dia- 'across' and -phragm 'barrier', a word for something that stretches across an opening. That's why a camera diaphragm is the part that opens or closes like a small barrier to control how much light gets through the lens.