Assertion: lens's image | /r/HasProperty | circular
Facets:
Source sentences:
text: Depending on the active area of the image sensor, the same lens can form a circular image on a larger image sensor (e.g. ​1⁄ 2 "), and a full frame on a smaller one (e.g. ​1⁄ 4
text: Actually, lenses project a circular image, not a rectangular image — any rectangular sensor will be a crop from that circle.
text: If the lens can produce a circular image just large enough to cover the film, it can't cover the bottom of the film as it rises.
text: As you can see, lenses project a circular image (usually referred to as “image circle”), but the sensor only records a rectangular portion of the scene – the rest of the image is thrown away.