Auto Zoom Operation
The flash coverage angle is automatically set according to the focal length of the lens mounted on the camera and the setting is displayed in the LCD panel. Also when a zoom lens is used, the flash coverage angle automatically changes when the lens is zoomed and the new setting is displayed in the LCD panel
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- Turn on the power to the camera
- Turn on the power to the 540EZ.
- If MZOOM is displayed in the LCD panel, press the zoom button until only "ZOOM" is displayed.
3. When the camera's shutter button is pressed halfway, the setting corresponding to the focal length of the lens in use displayed in the LCD panel
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Manual Zoom Operation
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To set the flash coverage angle manually, press the zoom button. When the zoom button is pressed the manual zoom indicator MZOOM and the ZOOM indicator appear in the display. Each press of the zoom button changes the coverage angle in the following cycle:

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