| http://www.w3.org/ns/prov#value | - The catadioptric microlithographic reduction objective of claim 19, said first plurality of lenses including a diverging lens for reducing the central bore of one of said concave mirrors to a maximum of approximately 35% of the diameter of said one concave mirror; and, said second plurality of lenses including a diverging lens for reducing the central bore of the other one of said concave mirrors
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