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Format |
DNG |
J2K |
Company |
Adobe |
Joint Photographic Experts Group |
Description |
The Digital Negative (DNG) file format is a royalty free RAW image format designed by Adobe Systems |
JPEG 2000 is a wavelet-based image compression standard. The aim of JPEG 2000 is not only improved compression performance over JPEG but also adding (or improving) features such as scalability and editability. |
Benefits |
It is a response from Adobe to the demand for a unifying camera raw file format. Digital Negative is based on the TIFF/EP format and mandates use of metadata. |
much smaller file size at equal quality than JPEG |
Drawbacks |
Large size. not many programs handle it |
less popular, requires more computational resources |
Cameras |
One of the best compact camera Canon ever produced. The image quality is excellent and the long battery life allows you to take more photos. More information at Canon PowerShot A610 Official page.
Megapixels | 7.10 | Aperture | f3 - f5.8 | Focal length (35mm equiv.) | 38 - 132 mm | ISO | Auto, 100, 200, 400, 800, 1600 | Year | 2008 |
|
Metadata |
Handles XMP, EXIF or IPTC |
Handles XMP, EXIF or IPTC |