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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 7 — Jul. 1, 2010
  • pp: 689–692

Optical configuration of fundus camera based on inner focusing manner

Haishui Ye, Zhishan Gao, and Ting Luo and Yang Huang  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 7, pp. 689-692 (2010)


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Abstract

The fundus camera used in imaging retina includes two parts: fundus imaging path with a positive focusing lens and annular Kohler illuminating path. We present a pupil joint equation and a focus equation based on the internal focusing manner to analyze its configuration. Using these equations, the configuration of the camera is given in detail. The design result of the fundus imaging path shows compact initial configuration at a total length of about 123 mm. The focusing range is -10-10 diopter, and the movement of the focusing lens is nearly linear at displacement of more than a sub-millimeter per diopter.

© 2010 Chinese Optics Letters

OCIS Codes
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(170.0110) Medical optics and biotechnology : Imaging systems
(170.1610) Medical optics and biotechnology : Clinical applications
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices

Citation
Haishui Ye, Zhishan Gao, and Ting Luo and Yang Huang, "Optical configuration of fundus camera based on inner focusing manner," Chin. Opt. Lett. 8, 689-692 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-7-689

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