Camera system

A system, comprising:

• a device, comprising:
• a two-dimensional array of cameras, wherein each camera in the array is configured to capture light from a respective portion of a field of view (FOV) in front of the device;
• wherein each camera in the array comprises, from an object side of the camera to an image side of the camera:
• a first lens group comprising one or more lens elements;
• an aperture stop;
• and
• a second lens group comprising one or more lens elements;
• and
• a plurality of image sensors configured to capture images formed by the cameras at image planes at or near surfaces of the image sensors;
• wherein of at least some of the cameras in the array are configured to have entrance pupils to be formed at a common plane at or near a user's eye located behind the image planes formed at the image sensors.