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Format |
JPG |
J2K |
Company |
Joint Photographic Experts Group |
Joint Photographic Experts Group |
Description |
Nearly all digital cameras have the option to save images in JPEG format. The JPEG format supports 8 bits per color (red, green, and blue) and produces relatively small file sizes. The compression when not too severe does not detract noticeably from the image. But JPEG files can suffer generational degradation when repeatedly edited and saved. Photographic images may be better stored in a lossless non-JPEG format if they will be re-edited in future, or if the presence of small 'artifacts' is unacceptable. It is however the best format for internet publishing in most cases. |
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 |
Small file size, high popularity |
much smaller file size at equal quality than JPEG |
Drawbacks |
Loss in quality |
less popular, requires more computational resources |
Cameras |
Very competitively priced DSLR. It has a good build quality and produces superb images. More information at Nikon D3000 official page.
Megapixels | 10.20 | Aperture | Varies with lens | Focal length (35mm equiv.) | 1.5x Multiplier | ISO | Auto, 100, 200, 400, 800, 1600, (plus 3200 with boost) | Year | 2009 |
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Metadata |
Handles XMP, EXIF or IPTC |
Handles XMP, EXIF or IPTC |