Convert jpeg to tiff prior to adjustments?

Assuming my end product will be an 8-bit tiff sent to a lab for a high-quality inkjet print (the lab has asked for 8-bit tiffs in AdobeRGB), and assuming I start with a jpeg imported to Aperture from a point-and-shoot (i.e., no RAW available), is there any advantage to creating the tiff "right away" (i.e., from the original jpeg) before working on any adjustments vs. doing the adjustments on the jpeg and exporting as the tiff? If so, would I just export the jpeg as a tiff proir to making adjustmentns and bring it back for the editing? Also, does a jpeg's lossy compression have anything to do repeated adjustments on the jpeg in Aperture? (I am aware that there is already compression by the camera in making the jpeg, but the point-and-shoot has conveniences for some of my needs that my DSLR doesn't, so I don't mind paying that price).

No, it does not.  You can't re-create information that is lost.  When the information the camera gathered was saved to a file, some of it was lost because of the JPG file format.  Converting to TIFF won't bring back the lost information.
Aperture never loses Image information.  When you export, you create new files.  Depending on the specifications you select, those new files will contain the equivalent of "very little information" up to "as much information as I started with".  Converting from JPG to TIFF doesn't allow you to start with any more information, and, again, Aperture never loses it, so there is no reason to convert at any point from the time your camera creates the JPG file until you create a new file by exporting from Aperture.
HTH,
--Kirby.

Similar Messages

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  • When importing Raw into A3, in what format is the picture displayed? Jpeg or tiff.

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  • AUTOMATOR actions... converting Jpeg to PSD...

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  • Change jpeg to tiff

    I am a new lightroom user. I have a catalog of 2600 images that are jpeg files. I would like to change to file type tiff.
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    Geoff the kiwi wrote:
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    Geoff,
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  • Jpeg to tiff - is this possible?

    Is it possible to convert a jpeg file to a tiff file
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    debcoo

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  • Saving converts JPEG to PSE

    When I try to save JPEG images in PSE9 they are converted (after the final JPEG dialogue box) to PSE format.  Attempts to open the PSE image results in a "wrong format" message.  "Open as" allows me to reconvert the image to JPEG; is this normal and can it be fixed?  Also, layers are automatically flattened upon saving.  Can they be preserved for later work?

    Ahh...HA!  Thank you for this wonderful insight. I think I've got it now!
    Date: Mon, 17 Oct 2011 21:59:09 -0600
    From: [email protected]
    To: [email protected]
    Subject: Saving converts JPEG to PSE
        Re: Saving converts JPEG to PSE
        created by photodrawken in Photoshop Elements - View the full discussion
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