Assertion: aperture | /r/HasProperty | round
Facets:
Source sentences:
text: If the blurred light is circular, then it can be inferred that the aperture is either round or the image was shot "wide-open" (with the blades recessed into the sides of the lens, allowing the interior edge of the lens barrel to effectively become the iris).
text: When the aperture is called holostomatous, this means that the aperture is rounded or entire, uninterrupted by the siphonal canal, notch, or by any other extension