Optical: systems and elements – Compound lens system – Telescope
Reexamination Certificate
2007-04-18
2008-12-30
Nguyen, Thong (Department: 2872)
Optical: systems and elements
Compound lens system
Telescope
C359S427000
Reexamination Certificate
active
07471452
ABSTRACT:
An illuminated aiming device for an observation instrument comprises a reticle plate, an aiming mark provided at the reticle plate, and a light source directed onto the aiming mark via a light guide. The light guide is configured as a wave guide within the reticle plate.
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Naumann et al., Bauelemente der technischen Optik, Taschenbuch der technischen Optik, Muenchen, Carl Hanser Verlag, 1992, pp. 419-423.
Possner Torsten
Schreiter Gerd
Carl Zeiss Sports Optics GmbH
Harness & Dickey & Pierce P.L.C.
Nguyen Thong
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