File:Collimator-Siemens Chart.JPG
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:03, 13 October 2009 | 3,648 × 2,736 (1.68 MB) | Ixnayonthetimmay | {{Information |Description={{en|1=Photograph of a Siemens chart filter in a collimator, used for camera auto-focus calibration procedures. This photo was taken immediately following an automated focus calibration pr |
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