作者: Alois Herkommer , Wilhelm Ulrich , Karl-Heinz Schuster , David R. Shafer , Gerd Füerter
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摘要: An objective comprising axial symmetry, at least one curved mirror and lens two intermediate images. The includes refractive partial objectives catadioptric objective. a first objective, image, second third At of the is purely refractive. One catoptric.