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DPChallenge Forums >> Photography Discussion >> Shooting RAW then converting to 16 bit TIF
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10/21/2008 06:22:24 AM · #1
... with the supplied software that came with my Nikon D60 so that I can PP it in Photoshop CS2.

This is the only way I have now to process raw images.

Will I find advantages doing it the above way over shooting at FINE jpg or are there other options available to me to get more advantage from shooting raw without spending more money?

I don't yet understand the advantages of shooting raw if you don't have CS3 ... Can someone enlighten me?


10/21/2008 06:50:43 AM · #2
Because RAW offers you more tonal range (12 or 14-bit images versus the 8-bits of JPG) the advantages during post processing are better exposure adjustment, highlight/shadow recovery, and white balance correction.

Converting from RAW to TIFF will give you the benefit of the tonal range of 16-bit, therefore you can recover blown highlights etc. But RAW editors are designed to work with RAW files to make this easy e.g. you'll have highlight recovery, exposure adjustment etc. all in one menu - it's designed for photographers. Doing it via TIFF in Photoshop you'll theoretically get the same results, but it won't be as obvious how to achieve it.

So, if you're happy with the white balance and exposure (e.g. no blown highlights) of your JPG images, then there's really no point in jumping through hoops with RAW->TIFF conversion.

10/21/2008 07:34:06 AM · #3
I asked about this when I got my D90...I was converting my NEF files to 16bit TIFF and then was unable to save as a jpg after adjustments...
kirbic solved this for me in
this thread
10/21/2008 07:51:16 AM · #4
The main question is ... I guess ... that aside from ease of use ... is exporting raw images to TIF format as good as I can get regarding changing exposure and shadow highlights on an image ... is there a way to do this and loose LESS information? ... Does exporting as a 16 bit tiff save all the information that a RAW shot has to offer?
10/21/2008 08:33:15 AM · #5
Originally posted by Greetmir:

The main question is ... I guess ... that aside from ease of use ... is exporting raw images to TIF format as good as I can get regarding changing exposure and shadow highlights on an image ... is there a way to do this and loose LESS information? ... Does exporting as a 16 bit tiff save all the information that a RAW shot has to offer?


Yes. RAW -> 16-bit TIF will retain all the image data. You'll be able to make exactly the same levels adjustments (exposure, highlights, shadows) in the TIF as in the original RAW. It'll just be trickier, and you'll be left with massive TIF files littering your hard disk... :)

I tried this route before (as I have PS CS which doesn't have the RAW import filter for my camera) - RAW -> Nikon ViewNX -> TIFF -> Photoshop -> JPG. Eventually I decided it was too much trouble for most images, so I just did any exposure adjustments in Nikon ViewNX before saving directly as JPG. The only exception to this were any images where I had white-balance or blown highlights.

And when you start converting RAW -> JPG without any adjustments, then you have to consider just shooting JPG in-camera to start with. The main disadvantage is that you'll shoot that once-in-a-lifetime masterpiece in JPG and it'll have a blown highlight that you can't recover.
10/21/2008 08:55:11 AM · #6
Thank you all SO much for your input. In the meantime, I have done some online research and found an excellent primer for using raw images for those that would like to explore futher ...

//www.dlcphotography.net/RawFormatWorkflow/RawFormatWorkflow.htm

I found it very informative ...

... again thanks all for bothering to type your opinions on this matter to me. I really appreciate it.


12/10/2008 07:03:39 PM · #7
JH> "..You'll be able to make exactly the same levels adjustments (exposure, highlights, shadows) in the TIF as in the original RAW."

Unfortunately this is not true.. if you try to shoot a photo heavily underexposed, and use Fill Light control in Camera Raw you'll see a lot of details coming out from dark areas.
Then convert the original file (untouched) to a 16-bit TIFF and use Camera Raw to open (via Open As.. command for example), then use the same Fill Light control.. you'll see nearly NOTHING appearing from the shadows !!
Using curves in photoshop gives the same result, it's only a bit more difficult..

The rule of thumb is: adjust your exposure in Camera Raw or Lightroom, and THEN convert in TIFF...

Hope this helps..
Paul
12/10/2008 08:56:53 PM · #8
Originally posted by edibile:

JH> "..You'll be able to make exactly the same levels adjustments (exposure, highlights, shadows) in the TIF as in the original RAW."

Unfortunately this is not true.. if you try to shoot a photo heavily underexposed, and use Fill Light control in Camera Raw you'll see a lot of details coming out from dark areas.
Then convert the original file (untouched) to a 16-bit TIFF and use Camera Raw to open (via Open As.. command for example), then use the same Fill Light control.. you'll see nearly NOTHING appearing from the shadows !!
Using curves in photoshop gives the same result, it's only a bit more difficult..

Yes, that's what I said;

Originally posted by JH:

You'll be able to make exactly the same levels adjustments (exposure, highlights, shadows) in the TIF as in the original RAW. It'll just be trickier


It's much easier making the adjustments to the RAW file, as the tools are designed to work with RAW photo files. My point was that the same data still exists in the TIFF file, and that it's possible to make the same type of adjustments.

Message edited by author 2008-12-10 20:57:19.
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