Assertion: shutter's speed | /r/CapableOf | keep the exposure
Facets:
Source sentences:
text: If you reduce the aperture one stop to f/5.6 the shutter speed has to decrease one stop to 1/60 to keep the exposure the same.
text: If you reduce the aperture one more stop to f/8 the shutter speed has to decrease one more stop to 1/30 to keep the exposure the same.