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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 |
This camera produces high quality images and has amazing zoom capability. More information at Canon Powershot SX1 IS Official page.
Megapixels | 10.00 | Aperture | f2.8 - f5.7 | Focal length (35mm equiv.) | 28 - 560 mm | ISO | Auto, 80, 100, 200, 400, 800, 1600 | Year | 2008 |
|
Metadata |
Handles XMP, EXIF or IPTC |
Handles XMP, EXIF or IPTC |