When the camera is turned on, you can view critical exposure settings and a few other pieces of information in the viewfinder as well as on the Camera
Settings display. The viewfinder data changes depending on what action you're currently undertaking. For example, when you press the shutter button halfway, you see the current f-stop (aperture setting), shutter speed, and exposure meter, as shown in Figure 1-13.
Figure 1-13: You also can view some camera information at the bottom of the viewfinder.
The final value (9, in the figure) shows you the number of maximum burst frames. This number relates to shooting in the continuous-capture mode, where the camera fires off multiple shots in rapid-fire succession as long as you hold down the shutter button. (Chapter 2 has details on this mode.) Note that although the highest number that the viewfinder can display is 9, the actual number of maximum burst frames may be higher. At any rate, you don't really need to pay attention to the number until it starts dropping toward 0, which indicates that the camera's memory buffer (its temporary internal data-storage tank) is filling up. If that happens, just give the camera a moment to catch up with your shutter-button finger.
Rather than give you a full guide to all the possible viewfinder readouts here, which would only boggle your mind and cause lots of unnecessary page-flipping, I detail the relevant viewfinder data as I cover the various photographic topics later in the book.
Shutter speed and f-stop Maximum burst frames Exposure meter
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