Assertion: large aperture | /r/HasAspect | numbers f2.0
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Source sentences:
text: If you understand that F-stops affects the depth of field in the picture and that large apertures (openings) have small F-stop numbers F2.0, F2.8, F4.0 and small apertures have large F-stops (F11, F16 or F22) then by choosing certain F-stops you will be able to control the depth of field in your photographs.