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Archive 2009 · Canon EOS 7D Master thread
  
 
skibum5
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p.125 #1 · Canon EOS 7D Master thread


garyvot wrote:
Graduated neutral density filters... excellent anti-banding software.


when you can use them


Nov 01, 2009 at 05:28 AM
skibum5
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p.125 #2 · Canon EOS 7D Master thread


Paul_R_Canada wrote:
Thanks Keith - OT how do you do a reply with a cut of the post you want to reply to?

BOT (Back On Topic) I was at a Henry's ordering my 16-35L and 300LF4 Is (huge ) and speaking with the 20 something behind the counter we discusssed the 7D and movie banding - he said he'd found out that the banding in movie mode was caued by the shutter speed not being in sync (from a user selection) with the FPs setting, IE 30 fps and 1/30th, 1/60th of a second - works great, 24 fps and 1/30th, no sync and banding.

He'd said he'd tried this and it was true, I don't have a 7D,
(I appologise if this was previously mentioned, I've tried keeping up but this thread is getting large)

Anyway, has anyone here tried this and if not, can someone run a test and see if this is indeed the case, could it be this simple??



the right frame rate does solve banding due to indoor lightining, but that is unrelated to other forms of banding not sure what types the 7D gets in video, haven't used video on it too much yet and so far it has been noisy at super high iso but not banding



Nov 01, 2009 at 05:30 AM
skibum5
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p.125 #3 · Canon EOS 7D Master thread


Paul_R_Canada wrote:
Thanks Keith - OT how do you do a reply with a cut of the post you want to reply to?

BOT (Back On Topic) I was at a Henry's ordering my 16-35L and 300LF4 Is (huge ) and speaking with the 20 something behind the counter we discusssed the 7D and movie banding - he said he'd found out that the banding in movie mode was caued by the shutter speed not being in sync (from a user selection) with the FPs setting, IE 30 fps and 1/30th, 1/60th of a second - works great, 24 fps and 1/30th, no sync and banding.

He'd said he'd tried this and it was true, I don't have a 7D,
(I appologise if this was previously mentioned, I've tried keeping up but this thread is getting large)

Anyway, has anyone here tried this and if not, can someone run a test and see if this is indeed the case, could it be this simple??



the right frame rate does solve banding due to indoor lightining, but that is unrelated to other forms of banding not sure what types the 7D gets in video, haven't used video on it too much yet and so far it has been noisy at super high iso but not banding



Nov 01, 2009 at 05:31 AM
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p.125 #4 · Canon EOS 7D Master thread


skibum5 wrote:
the right frame rate does solve banding due to indoor lightining, but that is unrelated to other forms of banding not sure what types the 7D gets in video, haven't used video on it too much yet and so far it has been noisy at super high iso but not banding


So, bronxbombers or skibum5: having read your never-ending bashing of the 7D sensor on your camera, do you plan to dump the 7D?

My copy has a great sensor (little low ISO banding, no mazing, excellent high ISO performance). But the AF sensor on it doesn't work reliably. Have you faced problems in this regard?

Some cameras have great imaging sensor but horrendous AF sensors, while others are just the opposite. Sogh

Nov 01, 2009 at 03:59 PM
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p.125 #5 · Canon EOS 7D Master thread


cameron12x wrote:
jamato8 wrote:
Yes, they are experimenting with a Franken camera now. Maybe in the near future.


What is a "Franken camera," if I may ask?


There is a camera (experimental) that exposes each area correctly so even in extreme conditions you get an exposure that has compensated for everything and is evenly presented. Looks to be a few years off at this time, maybe.

Nov 01, 2009 at 04:35 PM
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p.125 #6 · Canon EOS 7D Master thread


On another topic, whilst I am pleased with my 7D so far, has anyone else found that they have accidentally turned the mode dial whilst operating the newly positioned ON/OFF switch? I recently found that I was taking pictures in P instead of AV/TV mode and am pretty sure I turned the dial when using the new switch.

I think I prefered the old switch position.


Nov 01, 2009 at 05:34 PM
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p.125 #7 · Canon EOS 7D Master thread


davesc.

Yes, with the power on/of, but more so just in rubbing against the mode dial while handling. It should be a little stiffer, or have some mechanism (pull up and turn?) to prevent resetting the mode.

Joe


Nov 01, 2009 at 06:33 PM
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p.125 #8 · Canon EOS 7D Master thread


davesc wrote:
On another topic, whilst I am pleased with my 7D so far, has anyone else found that they have accidentally turned the mode dial whilst operating the newly positioned ON/OFF switch? I recently found that I was taking pictures in P instead of AV/TV mode and am pretty sure I turned the dial when using the new switch.

I think I prefered the old switch position.


Yeah I find that I tend to accidentally turn the mode wheel allot on the 7D. I think the mode wheel is also a bit to sensitive and is easily moved. I don't like the position of the new on/off switch, I would have preferred it where it use to be, or Canon should have relocated the switch around the shutter button just like Nikon, and it would also mean you don't need two hands to switch the camera on/off. I liked the switch design and position on the 500D!

http://a.img-dpreview.com/reviews/CanonEOS500D/Images/inhandTd.jpg



Nov 01, 2009 at 06:39 PM
skibum5
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p.125 #9 · Canon EOS 7D Master thread


thw2 wrote:
skibum5 wrote:
the right frame rate does solve banding due to indoor lightining, but that is unrelated to other forms of banding not sure what types the 7D gets in video, haven't used video on it too much yet and so far it has been noisy at super high iso but not banding


So, bronxbombers or skibum5: having read your never-ending bashing of the 7D sensor on your camera, do you plan to dump the 7D?

My copy has a great sensor (little low ISO banding, no mazing, excellent high ISO performance). But the AF sensor on it doesn't work reliably. Have you faced problems in this regard?

Some cameras have great imaging sensor but horrendous AF sensors, while others are just the opposite. Sogh


i don't see where i was bashing it there, i said i hadn't seen video banding myself yet (as for tons of noise at H1 video, that wasn't a bash but a comment, it has somewhat more noise there than the 5D2 but far, far less than any regular video camera)

not sure about keeping it or not, i have to see how the mazing plays out and how the AI Servo does at a top level sporting event (and more real world wildlife results)

so far the one shot af does about the same with center as the 5D2 (somewhat better than 50D) and the outer points work a lot faster and don't hunt as much, both cameras certainly can miss though, semi-regularly with very tricky subjects, not sure if say a D700 or 1D3 is any better, never used those two.

but they both (5D2/7D) seem to do center-point AF somewhat more reliably than my 20D/40D/50D did, which sounds better than your results.






Nov 01, 2009 at 08:29 PM
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p.125 #10 · Canon EOS 7D Master thread


Tom_W wrote:

I don't think that digital DR is any worse than that of slide film (and probably a bit better), but it would be nice to have a couple of stops more latitude to accommodate extreme DR conditions.


Are you serious Tom, are you really of the belief digital DR is only 4 stops or a bit better. I'm sorry but I find that beyond belief. The highlight DR is probably 0.5-1 stop better in RAW, but the shadow DR is 2-3 stops better with real detail. Slide would immediately block up at more than 2EV under mid tone, pure black, that's it. With most tests showing digital DR is around 9-11 stops (RAW), and lets take off a few for good measure so we are really getting shadow detail and not noise, and say DR is 7-9 stops depending on model and ISO. It's still not enough, but compared to what I could do with slide, it's vastly superior IMO.

Nov 01, 2009 at 11:48 PM
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p.125 #11 · Canon EOS 7D Master thread


I never found much latitude on slides and that is mostly all I shot unless a client wanted negatives and I shot negatives for PR, weddings and work like that but slide, well I liked them but you had to be spot on or forget it. You can't pull stuff out of the shadows that isn't there and try and get detail from a clear section of film from blown highlights. Then there is the ASA of 100 max for anything decent.

Nov 02, 2009 at 01:04 AM
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p.125 #12 · Canon EOS 7D Master thread


Hi,
Do the faster CF card improve the processing on the 7D to be worth the higher cost?

Nov 02, 2009 at 02:29 PM
JimboCin
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p.125 #13 · Canon EOS 7D Master thread


mogur2 wrote:
Hi,
Do the faster CF card improve the processing on the 7D to be worth the higher cost?


http://www.robgalbraith.com/bins/content_page.asp?cid=7-10044-10297

http://www.robgalbraith.com/bins/content_page.asp?cid=7-10043-10255

Jim

Nov 02, 2009 at 05:37 PM
 



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p.125 #14 · Canon EOS 7D Master thread


Funny how many people have sold or are selling their 7D's. I think Canon is about to lose a lot more of the market now. The 1D4 better be amazing but as far as I see it, I would rather have a D3s for the FX sensor.

Nov 02, 2009 at 10:14 PM
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p.125 #15 · Canon EOS 7D Master thread


MikeRichards wrote:
Funny how many people have sold or are selling their 7D's. I think Canon is about to lose a lot more of the market now.


Where did you get these stats from?

Nov 02, 2009 at 10:28 PM
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p.125 #16 · Canon EOS 7D Master thread


Mike

You would have to pry the 7D from my cold dead hands.

The 7D is an excellent camera. Great performance for for the $1699 price.

Yes, I suspect the 1D Mark IV will be an excellent professional level camera.



MikeRichards wrote:
Funny how many people have sold or are selling their 7D's. I think Canon is about to lose a lot more of the market now. The 1D4 better be amazing but as far as I see it, I would rather have a D3s for the FX sensor.

Edited on Nov 03, 2009 at 06:01 AM · View previous versions


Nov 02, 2009 at 10:38 PM
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p.125 #17 · Canon EOS 7D Master thread


Check the for sale forums...a lot, like me sell theirs within 24 hrs!

Nov 03, 2009 at 01:50 AM
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p.125 #18 · Canon EOS 7D Master thread


Why would you sell it on buy and sell vs. sending it back to the vendor for refund?

Nov 03, 2009 at 01:55 AM
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p.125 #19 · Canon EOS 7D Master thread


I'm there all the time...a lot ?

MikeRichards wrote:
Check the for sale forums...a lot, like me sell theirs within 24 hrs!



Nov 03, 2009 at 02:10 AM
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p.125 #20 · Canon EOS 7D Master thread


Fred Relaix wrote:
MikeRichards wrote:
Funny how many people have sold or are selling their 7D's. I think Canon is about to lose a lot more of the market now.


Where did you get these stats from?


Great info/rumor Mike, and here I am using my 7D to make some good images. One just won an Editor's Pick for a BIF... , maybe they are crazy, this camera and the photographer both suck.

Nov 03, 2009 at 02:25 AM
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p.125 #21 · Canon EOS 7D Master thread


MikeRichards wrote:
Check the for sale forums...a lot, like me sell theirs within 24 hrs!


It seems to me that it might take more than 24 hours to determine whether I like a camera or not. It took me a week or so of vigorous testing to determine that my 1D3 had an autofocus problem. And when I had repeatable evidence of that problem, I returned it to the vendor.

My 7D won't be leaving me any time soon - I like the camera.

Nov 03, 2009 at 02:49 AM
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p.125 #22 · Canon EOS 7D Master thread


I really like the 7D ... but, I need to figure this problem out.

I just shot some snapshots of my daughter to test skin tones. Images are ruined with maze effect in skin tones on Capture One v5 (view at 200% to see patterns) ... effect is present in ACR ... effect is NOT visible in DPP. What gives?

Has anyone else noticed this patterned noise in their skin tone conversions from RAW? These images are junk compared to my 5DII.

I'm trying to decide whether to return the 7D, get another copy of the 7D or wait and hope the software is fixed.


Nov 03, 2009 at 05:35 AM
abqnmusa
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p.125 #23 · Canon EOS 7D Master thread


UCSB,

process the RAW files with Canon's Digital Photo Professional and see if you get the same skin tones. I suspect you will not.




Nov 03, 2009 at 06:03 AM
Jim Victory
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p.125 #24 · Canon EOS 7D Master thread


UCSB wrote:
I really like the 7D ... but, I need to figure this problem out.

I just shot some snapshots of my daughter to test skin tones. Images are ruined with maze effect in skin tones on Capture One v5 (view at 200% to see patterns) ... effect is present in ACR ... effect is NOT visible in DPP. What gives?

Has anyone else noticed this patterned noise in their skin tone conversions from RAW? These images are junk compared to my 5DII.

I'm trying to decide whether to return the 7D, get another copy of the 7D or wait and hope the software is fixed.


If your seeing in ACR and Capture One but not DPP then it is the software.

It has been my experience that most 3rd party Raw converters take at least 6 months of tuning by their respective manufacturers to reverse engineer Canon's files properly.

Jim

Nov 03, 2009 at 06:04 AM
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p.125 #25 · Canon EOS 7D Master thread


The RAW data seems to have some serious column gain fluctuation problems, which DPP seems to be correcting for but other converters as yet do not. It is not yet clear whether Canon intends to have this banding, or whether the initial batch of cameras is flawed.

Nov 03, 2009 at 06:25 AM




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