Fast and Flexible A4 Flatbed Scanning The DS-6500 is equipped with a high-resolution 1200 dpi CCD sensor that captures images, graphics and text are captured with amazing clarity and accuracy. Convert low resolution image to high resolution in Photoshop. For example, some default presets are A4 210 x 297 mm 300 dpi, 4 x 6 in 300 dpi, etc. The higher the resolution, the better is the quality of the digital image. That is the desired resolution for clear, high-quality images. By default, a setting of 300 DPI is often requested.Any image at and above 300 dpi is high resolution photo. If you use few pixels then your design will be less sharp than if you have chosen a higher DPI setting. The higher the DPI, the more pixels are actually needed to create this A4 size. The amount of pixels depends on the PPI (pixels per inch) or DPI (dots per inch). For example, a printing shop may request that a photo is submitted with 300 DPI rather than 72. The DPI value is read by some devices (such as printers) to determine how your image should be presented on a medium (such as paper). The actual quality (resolution) of the image (within the file itself) is not affected when its DPI value is adjusted.
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