lenses are circle. Sensors are rectangle. Would the resulting photo be skew out of proportion? What about oval shape lenses

Question

lenses are circle. Sensors are rectangle. Would the resulting photo be skew out of proportion? What about oval shape lenses

In: Engineering

Answer 1

> Would the resulting photo be skew out of proportion?

No, just some of the light that passes through the lens doesn’t reach the rectangular sensor. It isn’t taking the input from the circular lens and warping it to fit the sensor, it is being trimmed.

You could in theory have an oval lens, or even a square lens to match the square sensor. But they would be much harder to make than round lenses and there is really no point.