Assertion: lens's aperture | /r/HasProperty | open
Facets:
value: all the way
type: MANNER
value: with a diameter of 50mm
type: OTHER
Source sentences:
text: The wider the aperture of the lens is open, the faster the shutter speed needs to be to get a good exposure.
text: The aperture of a lens is the opening that regulates the amount of light that passes through the lens.
text: So, say you have an 85mm lens; when the aperture is all the way open with a diameter of 50mm, then the maximum aperture of your lens is f/1.7.
text: One thing I have noticed from using both types of lenses is that the photos appear a lot softer when the aperture is all the way open, and the pictures look better at a stop or two narrower.