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POTN forums are closing 31.12.2023. Please see https://photography-on-the.net/forum/showthread.php?t=1530921 and other posts in that thread for details.
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Thread started 31 Aug 2009 (Monday) 23:08
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7d Announced with specs

 
Coppatop85
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Sep 02, 2009 17:25 |  #601

prinspaul wrote in post #8571849 (external link)
that means it's usable at 1600, maybe 3200, and that 6400 sucks?

My 40D is very usable at 1600, and not horrible at 3200. the 7D's 3200 better be equivalent to my 40Ds 1600.


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Sep 02, 2009 18:05 |  #602

Orlandoech wrote in post #8570137 (external link)
Whats funny, is he said "weight", not "wait"..... bw!


Ah...you "got it"


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Sep 02, 2009 18:25 |  #603

While it's great the high ISO expansion is growing, no one seems to have picked up (if they care of course) that the 7D has joined its other xD siblings in having the low 50 ISO setting and adds the ability to shoot a random RAW on a button press rather than digging deep into settings along with the definable M-Fn button by the shutter release.

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Sep 02, 2009 18:33 |  #604

chalkie wrote in post #8572311 (external link)
While it's great the high ISO expansion is growing, no one seems to have picked up (if they care of course) that the 7D has joined its other xD siblings in having the low 50 ISO setting and adds the ability to shoot a random RAW on a button press rather than digging deep into settings along with the definable M-Fn button by the shutter release.

Graham

Press Release only references ISO 100-12800. As does DPR. ISO50 would be awesome. But, then again, Nikon generally doesn't go below 200.


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Sep 02, 2009 18:39 |  #605

I can't see mention of ISO50 in the spec? :confused:


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Coppatop85
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Sep 02, 2009 18:45 |  #606

chalkie wrote in post #8572311 (external link)
While it's great the high ISO expansion is growing, no one seems to have picked up (if they care of course) that the 7D has joined its other xD siblings in having the low 50 ISO setting and adds the ability to shoot a random RAW on a button press rather than digging deep into settings along with the definable M-Fn button by the shutter release.

Graham

Hogster86 wrote in post #8572387 (external link)
I can't see mention of ISO50 in the spec?


David


Neither did I, but that would be amazing.

Sort of Unrelated question, but what limits ISO on the Low end? On the high end it is amount of noise, and sensor heat, right? What limits ISO from going down to 25, or 10?


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Sep 02, 2009 18:48 |  #607

Coppatop85 wrote in post #8572416 (external link)
Neither did I, but that would be amazing.

Sort of Unrelated question, but what limits ISO on the Low end? On the high end it is amount of noise, and sensor heat, right? What limits ISO from going down to 25, or 10?

I would say its the digic chip. Its not smart enough to deliver the quality of those settings.

Also, I m really looking forward to buying a 7d. Its everything I ever wanted. I can get the $$ for it before christmas or maybe a little earlier, but its gonna be december. Now, i was never expecting a camera soo much and it seems that a lot of people will go for this model. Do you think, I should pre order the 7d? Will I have problems getting it in december?


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Sep 02, 2009 18:54 |  #608

prinspaul wrote in post #8571849 (external link)
that means it's usable at 1600, maybe 3200, and that 6400 sucks?

From what i've seen, 1600 is excellent, 3200 is good and 6400 should be usable with a bit of post process, 6400 looks equal to 1600 on my 30D I think [But its difficult to tell..]

Keep in mind that at 6400, you probubly couldnt have gotten the shot any other way...a bit of noise is better than subject or motion blurring in my book...

Heck i saw a websized 12,800 shot and was pretty stunned...12,800 might actually have a use!

As for ISO50, my 30D has it, I've never once used it..I've never had a situation where i needed to...I think ISO50 was omitted because if you made it perform well at ISO 50 everyone would **** that 1600 or 3200 sucked :)

In fact the only cameras i saw ISO50 really working well in are big medium format deals..But they're usually studio setups, you're for instance, not shooting sports or wildlife with a Mamiya 645...


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Sep 02, 2009 18:59 |  #609

30D doesn't have ISO50... I had to pull mine out just to make sure. The 1D's and 5D's all have it.


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Coppatop85
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Sep 02, 2009 19:00 as a reply to  @ KenjiS's post |  #610

As for ISO50, my 30D has it, I've never once used it..I've never had a situation where i needed to...I think ISO50 was omitted because if you made it perform well at ISO 50 everyone would **** that 1600 or 3200 sucked :)

In fact the only cameras i saw ISO50 really working well in are big medium format deals..But they're usually studio setups, you're for instance, not shooting sports or wildlife with a Mamiya 645...

That's funny. I find myself wanting to use it quite often.

Getting long shots during the day on moving water without having to use a filter for example. Or wanting to shoot in wide open apertures (< 2.8) Outside and simultaneously keeping the shutter speed under 250 so I can use a flash.


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Sep 02, 2009 19:06 |  #611

Isn't the 30D's ISO50 an artificial/extended setting?


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Sep 02, 2009 19:07 |  #612

krb wrote in post #8572522 (external link)
Isn't the 30D's ISO50 an artificial/extended setting?

IIRC, 50 is a synthesized ISO for all Canon Digitals...

Native ISO is 100 or thereabouts.


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Sep 02, 2009 19:09 |  #613

FlyingPhotog wrote in post #8572534 (external link)
IIRC, 50 is a synthesized ISO for all Canon Digitals...

Native ISO is 100 or thereabouts.

Yeah... there abouts... 160 for the 40D, not sure about the others

Edit: I should clarify that statement. Noise/Signal tests indicate that ISO 160 is the cleanest on the 40D... I don't actually know if that is native though


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Coppatop85
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Sep 02, 2009 19:12 |  #614

gcflora wrote in post #8572551 (external link)
Yeah... there abouts... 160 for the 40D, not sure about the others

Edit: I should clarify that statement. Noise/Signal tests indicate that ISO 160 is the cleanest on the 40D... I don't actually know if that is native though

Cool, never heard that one before, Good to know.


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Sep 02, 2009 19:14 |  #615

krb wrote in post #8572522 (external link)
Isn't the 30D's ISO50 an artificial/extended setting?

Yes it is


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