TIFF to JPG conversion

D
Posted By
Dave
Jul 30, 2008
Views
319
Replies
9
Status
Closed
I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks

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D
Dave
Jul 30, 2008
On Wed, 30 Jul 2008 10:23:38 -0400, Dave wrote:

I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks

I guess the mode is not in RGB but in LAB Color or so.
Make sure it is in RGB

Dave
D
Dave
Jul 30, 2008
On Wed, 30 Jul 2008 17:31:43 +0200, Dave wrote:

On Wed, 30 Jul 2008 10:23:38 -0400, Dave wrote:

I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks

I guess the mode is not in RGB but in LAB Color or so.
Make sure it is in RGB

Dave

Maybe I should have explained more.
Go Image/Mode and change it to RGB Color
J
Joel
Jul 31, 2008
Dave wrote:

I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks

I don’t think there is a good reason to save as TIFF then convert to JPG when you can work directly with RAW file (if you are using CS3), or just save to JPG and work on JPG instead of TIFF (too much disk space for nothing).

– The reason you can’t save to JPG because JPG is "8-bit" format.

*And* if you really want to work on 16-bit (or even 32-bit) which I do on low-rez download from internet for DVD Label, then you can always change to 16-bit mode. IOW, *if* the image has some problem then 16-bit mode does help, but if it’s a fine image then don’t need it.
N
nomail
Jul 31, 2008
Joel wrote:

Dave wrote:

I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks

I don’t think there is a good reason to save as TIFF then convert to JPG when you can work directly with RAW file (if you are using CS3), or just save to JPG and work on JPG instead of TIFF (too much disk space for nothing).

– The reason you can’t save to JPG because JPG is "8-bit" format.
*And* if you really want to work on 16-bit (or even 32-bit) which I do on low-rez download from internet for DVD Label, then you can always change to 16-bit mode. IOW, *if* the image has some problem then 16-bit mode does help, but if it’s a fine image then don’t need it.

The OP clearly says "I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option"…


Johan W. Elzenga johan<<at>>johanfoto.nl Editor / Photographer http://www.johanfoto.com
D
Dave
Aug 8, 2008
Johan W. Elzenga wrote:
Joel wrote:

Dave wrote:

I take my photos in RAW and use a converter tool to convert the RAW into a 16 bit TIFF file that opens in PhotoShop. From PS I can manipulate the photo and make it just the way I want it. I’m unable to save it as a JPG! I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option when I go to "Save As" or Export. What am I missing? I’m using PS CS.

Thanks
I don’t think there is a good reason to save as TIFF then convert to JPG when you can work directly with RAW file (if you are using CS3), or just save to JPG and work on JPG instead of TIFF (too much disk space for nothing).

– The reason you can’t save to JPG because JPG is "8-bit" format.
*And* if you really want to work on 16-bit (or even 32-bit) which I do on low-rez download from internet for DVD Label, then you can always change to 16-bit mode. IOW, *if* the image has some problem then 16-bit mode does help, but if it’s a fine image then don’t need it.

The OP clearly says "I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option"…
Thanks for you hep. I got it working now. I thought JPG was a lossy way to save important images. I thought that tiff retained all the information if I latter wanted to go back and modify the image. That is why I use all that disk space.
J
Joel
Aug 8, 2008
Dave wrote:

<snip>
I don’t think there is a good reason to save as TIFF then convert to JPG when you can work directly with RAW file (if you are using CS3), or just save to JPG and work on JPG instead of TIFF (too much disk space for nothing).

– The reason you can’t save to JPG because JPG is "8-bit" format.
*And* if you really want to work on 16-bit (or even 32-bit) which I do on low-rez download from internet for DVD Label, then you can always change to 16-bit mode. IOW, *if* the image has some problem then 16-bit mode does help, but if it’s a fine image then don’t need it.

The OP clearly says "I went into mode and changed it from 16 bits to 8 bits, still JPG does not show up as an option"…
Thanks for you hep. I got it working now. I thought JPG was a lossy way to save important images. I thought that tiff retained all the information if I latter wanted to go back and modify the image. That is why I use all that disk space.

I have read and heard about TIFF for over a decade, but I never care to use TIFF myself (not even once but tried then delete 1-2 times). Back to the JPG, if you have a hi-rez JPG then the change of few pixels won’t cause any problem, and even you resave the same file dozen times you still won’t notice the difference.

Yes, I have heard the word "lossless JPG" but I don’t buy the "lossless" either, but I know the newer JPG is much better than the JPG we had many years ago (I don’t mean the format but how most programs handle the JPG). And I did the test by re-saving the same low-rez JPG (pretty small) 10 times, and even with the small size I can only see few tiny pixels (I zoomed in 500-800+%) shifting the color a little.

I mean I zoomed in the original and the 10th saved JPG side-by-side to fill the screen til the screen filled with DOTS.
JS
John Stafford
Aug 8, 2008
On 8/8/08 3:34 PM, in article ,
"Joel" wrote:

I have read and heard about TIFF for over a decade, but I never care to use TIFF myself (not even once but tried then delete 1-2 times). Back to the JPG, if you have a hi-rez JPG then the change of few pixels won’t cause any problem, and even you resave the same file dozen times you still won’t notice the difference.

Confining your work to JPEG pretty much nails your work to the current technology and makes it impossible to better display the work when high resolution monitors with greater bit-depth become more common.
D
Dave
Aug 9, 2008
On Fri, 08 Aug 2008 15:57:25 -0500, John Stafford
Confining your work to JPEG pretty much nails your work to the current technology and makes it impossible to better display the work when high resolution monitors with greater bit-depth become more common.

This is something certainly to be kept in mind.

Dave
J
jaSPAMc
Aug 9, 2008
Dave found these unused words:

Thanks for you hep. I got it working now. I thought JPG was a lossy way to save important images.

It is, period!

I thought that tiff retained all the
information if I latter wanted to go back and modify the image. That is why I use all that disk space.

"All that disk space"??? Gigabytes are cheap today!

Burn to DVD-Data if you’re concerned about ‘wasting’ those 500 GB on your HD.

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