Re: Does Digital Rebel make for a good educational camera in your opinion?

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"James B. Davis" <jbdavis@xxxxxxxxxxxxx> writes:

> On Mon, 20 Sep 2004 08:55:53 -0500, David Dyer-Bennet <dd-b@xxxxxxxx>
> wrote/replied to:
>
>>Not exactly.  I very much doubt the camera actually produces a TIFF
>>format in memory before saving a JPEG; but it must of course produce a
>>full-resolution bitmap in memory before saving a JPEG.  This all takes
>>place in the camera, not in the memory card; the memory card is
>>nothing but storage space.
>
> On the 10d, the camera works in 12 bit and converts to RAW or JPG on
> the fly and saves it on the CF card. Some cameras do save in TIF
> though. And my RAW files are non-lossy compressed and come out to 6-7
> MB.

Let's not confuse what they *save* in with what they work in
internally, though. 

> When you choose fine or coarse JPG, you choose how lossy the JPG will
> be saved. Fine JPG has very little compression, whereas coarse small
> is compressed more and downsized. Lots going on in camera it seems.
>
> Which again is why I stick to RAW files only. I can shoot 9 in a row
> and then I have to wait a couple of minutes to completely clear the
> camera, but as soon as one is saved, I can shoot one more. I have
> never hit the limit where I can't shoot. Oh, and if I am composing and
> using the camera, the saving of all files stops temporarily, so it's
> best to let the camera do it's thing if you don't really need to use
> it to compose another, etc.

That's one of the areas where the Fuji S2 has a better implemention
than the Nikon D100; it continues saving while it does other things. 
-- 
David Dyer-Bennet, <mailto:dd-b@xxxxxxxx>, <http://www.dd-b.net/dd-b/>
RKBA: <http://noguns-nomoney.com/> <http://www.dd-b.net/carry/>
Pics: <http://dd-b.lighthunters.net/> <http://www.dd-b.net/dd-b/SnapshotAlbum/>
Dragaera/Steven Brust: <http://dragaera.info/>


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