Digital SLRs and linux

Hi all-
I'm about to get a canon eos 400d (rebel xti in us) and want to ask some questions....
I read that this camera does not operate as mass storage device, so am I right to think that only way to transfer files is to use gphoto?
second, I want to ask about shooting in RAW. does anyone have experience of using open source tools like dcraw? what about the ufraw plugin for gimp?
I would appreciate feedback and experience of using these programmes, and also general thoughts on the advantages of shooting in RAW.
thankyou!

karag wrote:Hi all-
I'm about to get a canon eos 400d (rebel xti in us) and want to ask some questions....
I read that this camera does not operate as mass storage device, so am I right to think that only way to transfer files is to use gphoto?
second, I want to ask about shooting in RAW. does anyone have experience of using open source tools like dcraw? what about the ufraw plugin for gimp?
I would appreciate feedback and experience of using these programmes, and also general thoughts on the advantages of shooting in RAW.
thankyou!
Hi,
I have the eos 400d too and it's working with gthumb and f-spot out of the box (using PTP). I also take raw pictures quite often and use gimp-ufraw, rawstudio and rawtherapee (which I prefer, although all three work very good). I wrote a short article about rawtherapee on my blog. Please make sure you do a
chmod 555 /opt/RawTherapee/profiles/
after you installed the aur version.
Last edited by freigeist (2007-10-08 09:52:27)

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Please explain this to me - Digital SLR Camera Lens /

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I am a Bestbuy employee who volunteers on these boards on my own time. I am not paid for posting here, and you should understand that my opinions are exactly that - opinions. I do not represent Bestbuy in any way.
: Open Mailbox

Do you mean in terms of "4x zoom" vs "3x zoom"?
In that case, it's 55/18 = 3, so it's a "3x zoom" lens. The "x" notation is derived by taking the longest available focal length and dividing it by the shortest available.
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The focal length specification on a lens determines its field of view. A shorter focal length gives a wider field of view. If a lens gives only one focal length (Such as a 50mm f/1.4), it's known as a "prime" lens and has no zoom. Pro photographers like primes because they tend to have the best image quality.
One thing you'll see often with SLRs is a reference to "crop factor" - Because the sensors in most digital SLRs are smaller than a 35mm film frame, they provide a narrower field of view compared to the same focal length lens on a 35mm film camera. The difference in field of view is the "crop factor". Most digital SLRs have a crop factor of around 1.5 - This means that an 18-55mm lens will behave on most DSLRs in the same manner as a 28-80 lens does on a film or full frame DSLR. Note that SLR lenses are ALWAYS marketed based on their actual focal length, it's up to the user to figure out what this means on their camera.
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Hi WC!
Thanks for posting on the forum.
It is very likely that the issue is with the cards you have tried and not the camera.
You mentioned that you were going to try a faster card.
Were you able to do so yet?
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Do you experience the same issue when recording to a high-speed CF card instead of an SD card?
If this is a time sensitive-matter, additional support options are available at Contact Us.
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All the cameras you mention will work fine with the Mac and iPhoto, though iPhoto isn't a capable enough application to make the most of the pictures any digital SLR can produce — before long you'll want an image processing application that offers more features and control.
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Digital SLRs and linux

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