Display Shooting Menu 2 select Multiple Exposure as shown on the left in Figure 918 and press OK

You see the screen shown on the right in the figure, offering three options. To set each one, highlight it, press the right-arrow key, select the setting you want to use, and press OK. The options work as follows:

Figure 9-18: Wait to enable the Multiple Exposure option until after you set all other picture-taking options.

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• Frame: Select 2F (two frames) to turn on the feature; select Off to disable it.

• Auto Gain: This option determines the opacity of each frame. If you choose On, each frame is set to 50 percent, and the resulting effect is similar to what you see in Figure 9-16. When Auto Gain is turned off, each frame is set to 100-percent opacity. On the surface, that sounds like it might be a good thing, but it usually isn't. When you layer two images, you're adding together the pixel brightness values of each image. So, for example, if a pixel in one image is medium gray, and the same pixel in the other image is also medium gray, the pixel in the merged image will be white. If you're in doubt, just shoot one pair of frames with the setting enabled and one with it turned off.

• Overlay: If your memory card contains images taken in the Raw (ORF) file format, you can choose to overlay your multiple exposure images on top of one of the Raw photos. In this way, you can actually combine three frames using Multiple Exposure: Your existing Raw image and your two Multiple Exposure shots.

When you turn the setting On and press OK, an Overlay screen appears, showing thumbnails of Raw images on the card. Use the arrow keys to move the highlight box over the frame you want to use and press OK.

To combine several existing Raw images, use the Image Overlay technique outlined in the next section.

Digital Cameras For Beginners

Digital Cameras For Beginners

Although we usually tend to think of the digital camera as the best thing since sliced bread, there are both pros and cons with its use. Nothing is available on the market that does not have both a good and a bad side, but the key is to weigh the good against the bad in order to come up with the best of both worlds.

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