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Picture Quality / Size Options (6.5)
The Coolpix S4 offers five Quality/Size options for shooting images, and can also resave copies of captured images at sizes smaller than the ones they were originally taken. The S4 saves images as JPEGs only. At 6 megapixels, its maximum resolution, the S4 saves either a high-quality or a normal-quality image. High-quality images are saved with 1:4 compression, while normal-quality images are saved at 1:8. The S4 also saves 3 megapixel images at normal quality, and images at 1024 x 768 and 640 x 480 pixels, also at normal quality. The two smaller sizes are suitable for use on computer screens. The S4's playback mode offers a feature called “Small Picture,” which will save down images to 640 x 480, 320 x 240, or 160 x 120 pixels.
Picture Effects Mode (7.0)
The Coolpix S4 has a color options menu with five selections. They are: Standard color, for natural-looking images; Vivid color, which increases saturation; Black-and-white; Sepia, for a brown-toned monochrome image; and Cyanotype, for a blue-toned monochrome image. There is nothing eye-popping about any of the effects, though a cyanotype option in a point-and-shoot is a little unusual. The effects might be interesting to use once or twice, but to really experiment with effects like these, photographers would do better to edit full-color images on a computer.
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