Assertion: aperture | /r/HasProperty | the way
Facets:
Source sentences:
text: This comes up less often with telescopes simply because you don't change lenses or (typically) apertures, the way you do with a camera, so the f-number is fixed.
text: Aperture is one of the ways we control how much light gets to the film or sensor but it is is just so much more useful than that.
text: Therefore, unless you are doing some long exposure photography, a wider aperture is the way to go.
text: Aperture also affects the depth of field in an image and is one of the ways to create those gorgeous blurry backgrounds that portrait photographers love.