In the MediCapture Image Transfer Wizard, under Advanced options, there is an option called “Show Fields.” What is this?
A. The Show Fields option allows you to specify whether the Image Transfer Wizard will save the First Field, Second Field, or Both Fields of each image. The selection you make can affect how clear and sharp your images are for the reasons described here. To understand what a video “field” is, it is first necessary to briefly review how a video camera works. To record an image, a video camera scans a series of horizontal lines of the image. The beam makes two passes to record one complete image (called a “frame”). On the first pass, only every other line of the image is scanned (the lines in between are left blank). Then on the second pass, the lines in between are filled in. Each pass is called a “field.” Therefore, two fields make up a complete image. The process of scanning fields on a video monitor happens so quickly that it is not discernible to the naked eye. However, when an image is captured and “frozen,” the fact that it is made up of two fields may become apparent, especially
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