Patent ID: 6180948
Filing Date: 2001-01-30
Classification: G01N

Abstract:
An image recording system for recording images of analytical test elements, said system comprising:a holder for holding at least one test element thereupon;a lens system including a reducing optical system having an aperture therein, said lens system being configured to provide a focussed image of a test element in the holder;a charge coupled device (CCD) disposed a predetermined distance from a nearest lens of said lens system, said charge coupled device being configured to receive and record the focussed image of the test element in the holder as image data;an evaluation device connected to said charge coupled device for receiving the image data, and for converting the image data into an image of the test element,wherein the lens system provides a permanently set focus, and wherein the aperture on an image side is at least 0.7 RAD, and wherein the predetermined distance between the charge coupled device and the nearest lens is less than 15 mm, and wherein the predetermined distance varies by less than 10 .mu.m.