Last Question...Please

Why the 300D? I see a lot of quality DSLRs being advertised now---Olympus
$349 Canon S31S $499 Sony 6MP Cybershot $399

So what does the 300D have over these?

Doink
"Stephen Paul" <smarshallpaul@xxxxxxxxx> wrote in message
news:kLSdnao3vMGGJNPZRVn-pQ@xxxxxxxxxxxxxx
Doink wrote:
How much memory card are you "consuming" for a 3-5 minute exposure? Do
you shoot those at full resolution or back it down to 800X600 or
something?

In raw mode at 3072x2048, about 6MB. I use a 512MB card. Previously I had
a 128MB card and never had a real problem with that size. But when I
replaced the unmodded camera for a modded one, I went ahead and upgraded
to the larger card. I generally only shoot up to 20x5 minute image frames
before sucking them down onto the PC in the den. I might do that twice in
a night. I then turn off the mount electronics, cap everything up and take
a couple of 5 minute darks.

The total amount of time it takes to do 20 x 5 minutes of exposure is
actually quite long. I use a Canon TC80-N3 timer/controller programmed for
20 exposures, 5 minute exposure time, 30 seconds between exposures (lets
the sensor cool). All total that's 110 minutes, plus another 10 minutes
for 2 darks.

With the ST-4 autoguider the whole shebang is pretty much an unattended
process after the initial setup. Once set, I go off and do other things.


I'm thinking about a new camera because I like having a warranty on an
item as complex as this...If I bought a $400 CAMERA on ebay loaded with
hot pixels there wouldn't be much to do...what's the 350D? Better?

I understand about the new vs. used. No fault in that logic.

As I understand it, there's little to justify the additional price above
and beyond the 300D for DSLR astro, but if you want an amazing camera for
day use as well, then the more pixels the better. My brother has a 20D and
the 100-400mm Canon Zoom (the expensive one), and he is doing some
unbelievable bird imaging around his home in the Bahamas.

The 300D is no laggard for daylight use either. I've been very happy with
it as a dual use camera. Even the modded one when used with a lens end
UV/IR blocker is as good as I'll ever need or want. The 512MB card is good
for over 140 large fine JPG images for road trips and family outings. Far
more than I'll ever take. ;-)



.

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