Chinese Optics Letters, 2008, 6 (2): 02146, Published Online: Mar. 5, 2008
Design of apochromatic telescope without anomalous dispersion glasses 
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复消色差透镜 二级光谱 望远镜 非异常色散玻璃 220.3620 Lens system design 080.1010 Aberrations (global) 110.6770 Telescopes 160.2750 Glass and other amorphous materials
Abstract
A novel lens system with correction of secondary spectrum without using anomalous glasses is presented. The lens system comprises four separated lens components, with three of them being subapertures. Two examples of apochromatic telescope are presented, both with the use of typical normal glasses, namely crown K9 and flint F5 glasses, and low-cost slightly anomalous dispersion glasses. Secondary spectrum and other chromatic aberrations of the two design examples are corrected.
Qinghua Yang, Baochang Zhao, Renkui Zhou. Design of apochromatic telescope without anomalous dispersion glasses[J]. Chinese Optics Letters, 2008, 6(2): 02146.
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