| http://www.w3.org/ns/prov#value | - In accordance with the present invention, the above and other objects can be accomplished by the provision of an optical module observing an event or an object, which includes: (1) a first mirror having a wide field of view, for detecting the event or object over a wide observing region; (2) at lease one or more second mirrors, whose focal length is greater than that of the first mirror, for obser
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