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45倍中波红外连续变焦光学系统

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Abstract:

红外连续变焦光学系统具有很多优势，介绍了一种可以实现高变焦比的设计方法.据此设计了一个系统，其由八片透镜组成，工作波段为3.7~4.8μm,可实现10~450mm连续变焦.系统在全焦距范围内奈奎斯特频率处的MTF值均大于0.3，系统F数为4，且满足冷光阑效率100%的要求.

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