Sony camera jpeg

B
Posted By
Brandon
Dec 27, 2004
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287
Replies
3
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Closed
I have a Sony Cybershot 5.1mp camera. The images save as JPEG’s on the camera. When I pull these images into Photoshop for editing and then save them, should I save as a JPEG? Do I lose clarity each time I do this?

I save some as .PSD for further editing, but I want a common format for viewing on computer, emailing or printing.

Thanks,
Brandon
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B
bogus
Dec 27, 2004
someone can correct me if I am wrong

Yes, you lose clarity everytime you resave a jpeg, Unless you set the compression to none (100%).

JPEG format is a lossy compression. You set the amount of compression and that determines how much information is lost.

It will be difficult to have one file that suits all you needs. Viewing on monitor should be done at 72 pixels/inch whereas printing requires 200 to 300 ppi.

Brandon wrote:

I have a Sony Cybershot 5.1mp camera. The images save as JPEG’s on the camera. When I pull these images into Photoshop for editing and then save them, should I save as a JPEG? Do I lose clarity each time I do this?

I save some as .PSD for further editing, but I want a common format for viewing on computer, emailing or printing.

Thanks,
Brandon
T
tacitr
Dec 27, 2004
Yes, you lose clarity everytime you resave a jpeg, Unless you set the compression to none (100%).

Even at maximum compression, there is still image degredation.

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X
Xalinai
Dec 27, 2004
bogus wrote:

someone can correct me if I am wrong

Yes, you lose clarity everytime you resave a jpeg

Up to here you are correct.

Unless you set the
compression to none (100%).

This does not help. Even the compression level that create the largest JPG files will use some compression and this means some degradation.

There are lossless JPG algorithms but the are almost unsupported by viewers and the compression is a lot less than what you are used from JPG.

JPEG format is a lossy compression. You set the amount of compression and that determines how much information is lost.

Right again.

But then: The images have already been JPEGged by the camera. Keep the original JPEGs and do with your edited images whatever you want – you can re-create them from the original.

Saving the images as TIF only makes sense if you can get RAW files from the camera.

Michael

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