Cameras are like people--sometimes they lose focus.

Come, my friends, 'tis not too late to seek a new world. Push off, and sitting well in order smite the sounding furrows; for my purpose holds to sail beyond the sunset, and the baths of all western stars, until I die. Tennyson, "Ulysses"

Adult: A person who has stopped growing at both ends and is now growing in the middle.