ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 60 / SEPTEMBER, 2017
Article
UDC 535.317

TELESCOPIC LENS WITH AFOCAL DOUBLE-MIRROR OPTICAL ATTACHMENT

V. A. Zverev
D.S. Rozhdestvensky Optical Society, Saint-Petersburg, 199034, Russian Federation; Professor


G. V. Karpova
ITMO Univresity; Associate professor


Тимощук И. Н.
Университет ИТМО; доцент


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Abstract. Replacement of a convex reflecting surface in afocal system of two spherical mirrors with a plane-convex mirror with internal reflection is shown to allow for compensation for residual spherical aberration of the image at a small residual deviation from isoplanatism conditions. Combination of two-component telescopic lens with the afocal attachment makes it possible to ensure plane-anastigmatic image correction.
Keywords: reflecting surface, afocal attachment, isoplanatism conditions, spherical aberration