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Help with processing raw files
Hi all..

I have now owned my 40d for about 3 weeks and have only been shooting in jpeg format.(No problems there).

Today I took the big leap, switched it over to LRaw and went and shot a few pics, I came home put them on my pc and noticed that there are two files per pic.One being a jpeg and the other being a cs2 file. I presume that the cs2 file is the raw ( I hope) Anyway after trying too open this file in photoshop cs2, it wont let me, it say it's not the right kind of document..

What am I doing wrong here guys?Doesnt photoshop cs2 open raw files?.

As I said this is completely new to me so please bear with me..

I guess in simple terms what Im asking is1. Is this the raw file&2. How do I open it?.

Thanks for your help guys.Peter..

Comments (7)

Bigbikes wrote:.

Hi all.I have now owned my 40d for about 3 weeks and have only been shootingin jpeg format.(No problems there).

Today I took the big leap, switched it over to LRaw and went and shota few pics, I came home put them on my pc and noticed that there aretwo files per pic.One being a jpeg and the other being a cs2 file. Ipresume that the cs2 file is the raw ( I hope) Anyway after tryingtoo open this file in photoshop cs2, it wont let me, it say it's notthe right kind of document..

What am I doing wrong here guys?Doesnt photoshop cs2 open raw files?.

As I said this is completely new to me so please bear with me..

I guess in simple terms what Im asking is1. Is this the raw file&2. How do I open it?.

Thanks for your help guys.Peter.

Two separate issues:.

1. You may have set your camera to record 'RAW + Jpeg' where it records both simlultaneously, as you have noticed. In which case, the one that is not the JPEG will be the RAW file!.

2. Photoshop - at least the versions I know - does not open RAW files directly: every different manufacturer has it's own format for RAW files. You need a plugin called 'Adobe Camera Raw' (google it - it's a free download from the Adobe web site), or the Canon proprietary software. There should be some sort of basic RAW editing program on the CD that came with your camera, which you can use to open the RAW file, apply the settings you wat for white balance, exposure etc, and the save the image as a TIFF or JPEG (or whatever format you prefer) for final processing in Photoshop..

Best wishesMike..

Comment #1

Thanks MikeI appreciate it.Should I set my camera so it only takes the raw file instead of both ?Cheers..

Comment #2

Your camera is set-up to record both RAW and JPEG files. You need to go into the menu and change it to RAW only if that's all you want..

Regarding how to process RAW images, I would encourage you to NOT use Adobe Camera RAW 4.3 (which comes with Photoshop CS3, or Photoshop Elements' latest versionsI thinkor can be downloaded for free directly from Adobe. Instead, since you have no habits yet, I encourage you to use the software that comes with your 40D. It is called Digital Photo Professional (DPP), and it does a better job interpreting your RAW images and with color rendition than Adobe Camera RAW..

Yes, there are those who will tell you that it is more cumbersome than Adobe Camera RAW 4.3...and they would be right. But if your goal is the best photographs, then DPP is a no brainer..

The first time you start it up and use it, consider following along with this online tutorial...it will make the learning curve much less steep:.

Http://www.usa.canon.com/content/dpp2/index.html.

Good luck,.

Johnny.

Http://www.flickr.com/photos/latitudes/..

Comment #3

That's up to you...if you take a photograph in RAW you don't have to worry about recording a JPEG also. You can make a JPEG from a RAW file very easily. The only time you would want to record both (for the most part) is if you want a digital negative (i.e. RAW) but need to do something very quick with the image, in which case JPEG can often better serve that purpose. Otherwise just shoot RAW and conserve memory card space...until and if and when you decide that's the way to go for your..

Johnny.

Http://www.flickr.com/photos/latitudes/..

Comment #4

As Johnny said above. The possiility to record both is there because, presumably, some people want it: but I can't see the point of doing both, except to see how your camera's settings affect the appearance of the JPEG file and whether you could do better. When you have the confidence to process RAW files well you won't need the in-camera JPEGs..

Best wishesMike..

Comment #5

First, why not try the software that came with your camera for raw processing..

Second, Photosshop CS2 will not support the newer versions of Adobe Camera Raw (ACR). The 40D is a newer camera and the newest versions of ACR require CS3..

You could download an onder version of ACR, one that will work with CS2, and the DNG converter from the adobe site. Use the DNG converter to convert your CR2 files to DNG and then you can open them with CS2..

Have fun..

The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'- Rayna Butler..

Comment #6

As Johnny mentioned, use DPP for the RAW conversion, it's a very good, easy to use converter..

Best regards,Doughttp://pbase.com/dougj.

Http://thescambaiter.comFighting scammers WW for fun & justice..

Comment #7

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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