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. 1996 Dec 1;35(34):6674-83.
doi: 10.1364/AO.35.006674.

Rigid endoscopic relay systems: a comparative study

T H Tomkinson, J L Bentley, M K Crawford, C J Harkrider, D T Moore, J L Rouke

Rigid endoscopic relay systems: a comparative study

T H Tomkinson et al. Appl Opt. .

Abstract

Relay systems in rigid endoscopes can compensate for aberrations in the objective and the eyepiece. Five classes of rigid relay systems are examined: conventional; glass Hopkins; plastic lens, glass-rod Hopkins; modified Hopkins; and gradient index. First-order theory, including achromatization, is developed for these systems. Design results are presented, and aberration, vignetting, and system length trade-offs are analyzed.

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