Editorial
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Feb 16, 2012; 4(2): 22-27
Published online Feb 16, 2012. doi: 10.4253/wjge.v4.i2.22
Figure 1
Figure 1 Zoom endoscopes perform optical zoom by using a movable lens in the tip of the endoscope: This system provides a closer image of the target while maintaining image display resolution.
Figure 2
Figure 2 Electronic magnification simply moves the image closer on the display and results in a decreased number of pixels composing the area of display, with no improvement in resolution.