Dental or endoscopic camera
AssigneeDüRr Dental SE
InventorMichael Thoms
Life of this patent
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Abstract
According to the invention, the lens system of a dental or endoscopic camera is designed in the form of a non-telecentric lens in which the field stop or an image thereof is located in the region of the lens arrangement on the converter side of said lens system.
Claims13
A dental or endoscopic camera comprising a casing, with an optical system, with a stop determining the image field and with an image converter arranged on the axis of the optical system, wherein the optical system has an object-side lens arrangement, a middle lens arrangement and a converter-side lens arrangement, wherein the stop determining the image field is situated in the region of the converter-side lens arrangement, a short distance downstream of the converter-side lens arrangement amounting to approximately 2% to 10%, of the spacing between a rear boundary face of the converter-side lens arrangement and a light-sensitive face of the image converter.
Dependencies are inferred from the claim text.