Magnification ratio in camera | ||
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It is possible to determine the magnification through the camera viewfinder. Assuming that your viewfinder shows 100 percent of the sensor area, then by focusing on a ruler, the ratio between the length of the ruler scale shown in the viewfinder and the sensor can be found. Unfortunately, most viewfinders do not show the full sensor area, so this will only give an approximate magnification. The sensor size for your camera will be found from the technical specification in the camera instruction manual. | ||