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Anton Gerald Ofner: Magnifying spectacles with variable focus, variable magnification factor and automatic parallax compensation. Olympus Austria Gesellschaft, Walter C Farley, October 26, 1999: US05971540 (56 worldwide citation)

Magnifying spectacles for surgical use have an automatic focusing device, a device for automatically altering the magnification factor and a device for automatic parallax compensation corresponding to the current focal length. During surgical operations, alteration of the working distance is commonl ...


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Ofner Anton Gerald: Lunette a verre grossissant a foyer variable, a rapport dagrandissement variable et a correction automatique de parallaxe, Magnifying glass having a variable focus, variable enlargement ratio and automatic parallax correction. Olympus Austria Gesellschaft Mbh, Life Optics Handel Und Vertrieb, PERLEY ROBERTSON HILL & MCDOUGALL, March 28, 1996: CA2175665

The invention relates to a magnifying vision aid for use as magnifying spectacles. The magnifying spectacles in accordance with the invention have an automatic and/ or a manual focusing device, a device for manually altering the magnification factor and a device for automatic parallax compensation c ...


3
Ofner Anton Gerald: (De) Lupenbrille mit variablem fokus, variablem vergrösserungsfaktor und automatischem parallaxeausgleich, (En) Magnifying glass having a variable focus, variable enlargement ratio and automatic parallax correction. Olympus Austria Gesellschaft Mbh, Ofner Anton Gerald, March 28, 1996: WO/1996/009566

(EN) The invention concerns a magnifying visual aid to be used as a magnifying glass. The magnifying glass according to the invention comprises an automatic and/or manual focusing arrangement, a device for manually adjusting the enlargement ratio and a device for automatic parallax correction accord ...



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