| 摘要 |
A lens compound for connecting to an interchangeable lens mount of a digital camera having a single image sensor, the lens compound including a body; a single mount connecting ring mounted on the body for connecting to the lens mount of the digital camera; at least two lenses of substantially identical focal length mounted in the body; and a different single or multi bandpass filter associated with each of the lenses, allowing the passage of at least one visible band and one non-visible band, selected from the group consisting of near infra-red bands and ultra violet bands of light, through the filters to the sensor; wherein the lenses are of substantially identical field of view and substantially identical image circle at a sensor plane of the image sensor. |
