Canon EOS 7D Master thread

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Archive 2009 · Canon EOS 7D Master thread

Bas Breetveld
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p.177 #1 · Canon EOS 7D Master thread

The link is online again ...

http://www.naturereflections.nl/samples_7d/samples_7D.html

Best regards,

Bas

Feb 01, 2010 at 11:45 AM

Hask
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p.177 #2 · Canon EOS 7D Master thread

Wow, you shot those in the Netherlands even?

Mind if I ask where you can take such pictures? I've got a 7D and a 70-200F4 IS lens, but I've never seen a fox in the wild before here in the Netherlands

Feb 02, 2010 at 09:08 PM

lowbone
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p.177 #3 · Canon EOS 7D Master thread

My 7D went totally dead on Sunday. I kept getting ERR messages. Took out the batteries, put them back in, camera would work for about 30 seconds and then another ERR message. Finally it wouldn't power up at all. I returned it to Canon yesterday. This is the second return, the first was for erratic focusing. I hope they finally figure out what is going on with this camera.

Feb 03, 2010 at 12:41 PM

skibum5
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p.177 #4 · Canon EOS 7D Master thread

skibum5 wrote:
ISO320, f/4.5, 300 2.8 IS + 1.4x TC II, ACR 5.6, 100% crop:

This image is copyrighted by the owner

WOW, I just noticed something, this didn't seem as sharp as I remembered, even though I even tried using the smugmug "-O" extension so I compared to the original JPG and it is NOTICEABLY less crisp! It seems like smugmug has gone to forceably recompressing all images or something

Or maybe they still store the original and use the for printing and downloads but simply dont allow -O linking for posting to webpages or for display anymore, even if you manually type -O now it still uses -X3 or something

You know I thought for the last few months some of my posting of details shots hadn't had as much impressive detail as I had thought and well this might explain it. Wow, it would be unfortunate if smugmug doesn't allow true original linking.... I think the others do.

Unless maybe manually renaming it -O meant it recompressed the -X3 trying to make an -O which it didn't call the original because it was not big enough

I need to compare with -O vs -X3....

nope

they both look noticeably filtered! So smugmug has begun pulling fastones

Or what is going wrong?

anyway it seems like smugmug may no longer be useful for 100% crop comparisons or demonstrations....

this stinks, otherwise I had been really liking smugmug....
just compared it again and it's like the image was taken with two different cameras, the smugmug version that you see when you read this posting is very definitely softened and blurred compared to the original!

anyway, unless i messed something up, it might be something keep in mind if you compare 100% crops you see posted to your own personal files and then think all the new cameras are soft

OK, apparently it is not smugmug but IE on, at the least, W7 64bit and my install, it looks sharp using firefox under W7 64bit.

but be wary about judging sharpness using IE at this point in time

EDIT: nevermind I had accidentally hit the special key and scrolled the mouse middle button a tad at some point during the last few weeks and ever so slightly increased the IE window zoom above 100% and apparently it now defaults to keeping the zoom setting across all instances and across reboots and it doesn't show the current zoom level anywhere on the window bar so it's kinda hidden

sort of dumb of me, but i never use the zoom function so i didn't even think of it

Feb 04, 2010 at 08:09 PM

garyvot
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p.177 #5 · Canon EOS 7D Master thread

skibum5 wrote: ....it doesn't show the current zoom level anywhere on the window bar so it's kinda hidden

FYI, the zoom level in IE 8 is shown on the status bar, bottom right corner. It's a great feature, but I too have changed this accidentally.

Feb 05, 2010 at 02:56 PM

skibum5
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p.177 #6 · Canon EOS 7D Master thread

garyvot wrote:
skibum5 wrote: ....it doesn't show the current zoom level anywhere on the window bar so it's kinda hidden

FYI, the zoom level in IE 8 is shown on the status bar, bottom right corner. It's a great feature, but I too have changed this accidentally.

thanks, not used to seeing zoom down there

Feb 05, 2010 at 06:41 PM

thw2
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p.177 #7 · Canon EOS 7D Master thread

Bas Breetveld wrote:
The link is online again ...
http://www.naturereflections.nl/samples_7d/samples_7D.html
Best regards,
Bas

You shot those with 70-200? You must have been pretty close!

Feb 06, 2010 at 11:49 PM

pcvrz22g
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p.177 #8 · Canon EOS 7D Master thread

Ok I have a question about the 7D focus. Something I noticed mine doing that just does not seem right. With single center focus point selected, one shot mode, I find that the camera will sometimes give focus confirmation when there is clearly nothing in focus. For example I was using single point on a drop of rain at the end of a needle on a pine. There was clear contrast however the camera hunted back and forth quickly for just a second and then gave focus confirmation, however it was clear that absolutely nothing in the scene was in focus.

I honestly cannot remember any of my previous Canon bodies doing this. They may hunt and then finally get focus or just continue to hunt. Is there a setting that would prevent this? I have read the book, watched the videos, read another book written for the 7D. I can find no explanation.

Feb 07, 2010 at 12:01 AM

Jim Victory
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p.177 #9 · Canon EOS 7D Master thread

pcvrz22g wrote:
Ok I have a question about the 7D focus. Something I noticed mine doing that just does not seem right. With single center focus point selected, one shot mode, I find that the camera will sometimes give focus confirmation when there is clearly nothing in focus. For example I was using single point on a drop of rain at the end of a needle on a pine. There was clear contrast however the camera hunted back and forth quickly for just a second and then gave focus confirmation, however it was clear that absolutely nothing in the scene was in focus.

I honestly cannot remember any of my previous Canon bodies doing this. They may hunt and then finally get focus or just continue to hunt. Is there a setting that would prevent this? I have read the book, watched the videos, read another book written for the 7D. I can find no explanation.

Try the Spot focus setting. It is less likely to pick up surrounding objects when shooting a small subject like a rain drop.

Jim

Feb 07, 2010 at 04:30 AM

michael49
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p.177 #10 · Canon EOS 7D Master thread

Bas Breetveld wrote:
The link is online again ...

http://www.naturereflections.nl/samples_7d/samples_7D.html

Best regards,

Bas

Fantastic.

Feb 07, 2010 at 01:12 PM

pcvrz22g
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p.177 #11 · Canon EOS 7D Master thread

Jim Victory wrote:

Try the Spot focus setting. It is less likely to pick up surrounding objects when shooting a small subject like a rain drop.

Jim

Its the same result. I was going back and forth between those two actually. The problem is not that its focusing on something else, its giving focus confirmation when nothing is in focus.

Feb 07, 2010 at 02:17 PM

Yakim Peled
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p.177 #12 · Canon EOS 7D Master thread

Mauro Aguirre wrote:
Bas Breetveld wrote:
Hi,

I've done some testing with my wife's 7D and I am pretty surprised about the results now that I found a workflow that works for my. Photo's are processed with CS4; ACR 5.6 and only used minor NR in ACR and a tiny bit in PS; afterwards some selective sharpening with 'smart sharpen'. I've put a picture gallery on my website with samples of 1200 pxls. Foxes in cloudy weather in the snow are not the easiest target for any camera ...

http://www.naturereflections.nl/samples_7d/samples_7D.html

Best regards,

Bas

Wow. Stunning images.

Well yes, but it's the FL is what stunns me most.

Happy shooting,
Yakim.

Feb 09, 2010 at 12:05 PM

bobbytan
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p.177 #13 · Canon EOS 7D Master thread

A few doggie head shots from last Sunday with the 100L on a 7D.

2012 © bobbytan

Feb 09, 2010 at 10:04 PM

keithreeder
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p.177 #14 · Canon EOS 7D Master thread

Woof!

Like 'em, Bobby.

Feb 09, 2010 at 10:57 PM

keithreeder
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p.177 #15 · Canon EOS 7D Master thread

pcvrz22g wrote:
Ok I have a question about the 7D focus...

What have you got C.Fn III-4 on?

Were you maybe within the lens MFD?

Feb 09, 2010 at 11:02 PM

RobDickinson
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p.177 #16 · Canon EOS 7D Master thread

Is there a way of setting focus priority on AI autofocus?

Feb 10, 2010 at 12:02 AM

pcvrz22g
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p.177 #17 · Canon EOS 7D Master thread

keithreeder wrote:
pcvrz22g wrote:
Ok I have a question about the 7D focus...

What have you got C.Fn III-4 on?

Were you maybe within the lens MFD?

That custom function is on 0: (Focus Search ON)

No the subject was well outside the MFD and there was also nothing in the field of view that was inside the MFD.

Feb 10, 2010 at 01:16 AM

keithreeder
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p.177 #18 · Canon EOS 7D Master thread

Try setting it to "off" - just to see...

Feb 10, 2010 at 07:16 AM

pcvrz22g
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p.177 #19 · Canon EOS 7D Master thread

I did and it just stops attempting to focus.

Feb 11, 2010 at 01:47 AM

ohyeah
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p.177 #20 · Canon EOS 7D Master thread

pcvrz22g wrote:
Ok I have a question about the 7D focus. Something I noticed mine doing that just does not seem right. With single center focus point selected, one shot mode, I find that the camera will sometimes give focus confirmation when there is clearly nothing in focus. For example I was using single point on a drop of rain at the end of a needle on a pine. There was clear contrast however the camera hunted back and forth quickly for just a second and then gave focus confirmation, however it was clear that absolutely nothing in the scene was in focus.

I honestly cannot remember any of my previous Canon bodies doing this. They may hunt and then finally get focus or just continue to hunt. Is there a setting that would prevent this? I have read the book, watched the videos, read another book written for the 7D. I can find no explanation.

Mine does the exact same thing as well. It's currently on it's second trip back to Canon for AF inconsistencies. Hopefully this anomaly will be fixed this time in, or at least in a future firmware upgrade. I can get mine to focus like like this without much effort (neighbor's tile roof), so I'll know if it's fixed within a day of being back. And hopefully Zone AF is fixed this time as well....

Feb 12, 2010 at 03:11 AM

pcvrz22g
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p.177 #21 · Canon EOS 7D Master thread

Packing mine up now for its second time back. This 7D experience has been poor to say the least.

In One Shot mode > Single AF point (center) > Focus Search ON.. I would expect the camera to continue searching for focus rather than report focus obtained when there is clearly nothing in focus. I think this is the reason for some shots, not just my own, that come out with nothing in focus, when the shutter speed is clearly high enough to take care of handheld blur. Not to mention this happens on a tripod as well.

Feb 22, 2010 at 03:50 PM

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p.177 #22 · Canon EOS 7D Master thread

Awesome pics. Foxes are so beautiful.......We have a few around here, but hard to actually catch them out. It's kind of hit and miss. U did a fabulous job with the pictures.

Feb 22, 2010 at 05:40 PM

schristie11
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p.177 #23 · Canon EOS 7D Master thread

I was asked about this so jsut posting here for archival purposes.

Here these sites state the shutter lag etc of the 1D cameras and also the 7D specs. I'm not making up stuff.

"Shutter Priorities"
"Responsiveness and user-directed adaptability are clearly demonstrated in the range of the Mark II camera's shutter speeds — from 30 seconds to 1/8000, plus bulb (with user-set adjustments of 1/3, 1/2, or full stops). Maintaining (and contributing to) the camera's high-speed capabilities, the EOS-1D Mark II camera has a shutter lag time of just 55ms (adjustable to as little as 40ms via a new personal function) and the mirror "black out" time is approximately 87ms at 1/60 or faster shutter speeds, resulting in easy viewing even during high-speed shooting at 8.5 fps."

http://www.bobatkins.com/photography/digital/canon_eos_7D_review_3.html

I have seen some conflicting results on diff reviews of the 7D timings, some say it's slightly slower than the 1D times and some reviews say it's double the times, none say it's the same though. Be wary of any 7D review stating the viewfinder black out time of a 7D as it does not actually black out the viewfinder so this is impossible to time on a 7D. lol

http://www.the-digital-picture.com/Reviews/Canon-EOS-Rebel-T1i-500D-Digital-SLR-Camera-Review.aspx
(scroll down 2/3 of page for chart of times)

40D: Shutter Lag (SL) = 59 ms, Viewfinder Blackout (VB) = 100 ms
1D2: SL = 40-55 ms, VB = 87 ms
7D: SL = 59 ms, VB = 100 ms
1D3: SL = 40-55 ms, VB = 80 ms

7D : http://www.imaging-resource.com/PRODS/E7D/E7DA6.HTM
0.4 second / 400 ms - Power on to first shot
0.131 second / 131 ms - Shutter release time lag approx. Single Shot
0.061 second / 61 ms - Shutter release time lag approx. Prefocused
0.127 second / 127 ms - Shutter release time lag approx. Continuous AF
10 seconds / 10000 ms - Buffer clearing time 16 RAW files
0.4 second / 400 ms - Display recorded image
1.2 second / 1200 ms - Record to play
800 - Lithium-ion Rechargeable Battery
30MB - RAW File Size: 5,184x 3,4564

The Canon 7D's full autofocus shutter response is excellent at 131 ms second using our standard single-point AF test, the same lag as the 50D. Full 19-point auto select AF only slowed to 149 ms.

1D MK III : http://www.imaging-resource.com/PRODS/E1DMK3/E1DMK3A6.HTM
0.1 second / 100 ms - Power on to first shot
0.094 second / 90 ms - Shutter release time lag approx. Single Shot
0.057 second / 60 ms - Shutter release time lag approx. Prefocused
0.087 second / 90 ms - Shutter release time lag approx. Continuous AF
30 secs 30,000 ms - Buffer clearing time 6 RAW files - Ouch!
50 seconds 50,000 ms - Buffer clearing time 20 RAW + LF JPEG - Ouch!
0.4 second / 400 ms - Display recorded image
1.1 second / 1100 ms - Record to play
2,200 - Lithium-ion Rechargeable Battery
15MB - RAW File Size: 3,888 x 2,592

There was quite a bit of variation of Full AF shutter response, ranging from 80 ms to 20 ms.

Below is another source:
http://www.the-digital-picture.com/Reviews/Canon-EOS-Rebel-XS-1000D-Digital-SLR-Camera-Review.aspx

Shutter Lag | VF Blackout
Canon EOS Digital Rebel XS / 1000D 90ms
Canon EOS Digital Rebel T1i / 500D 90ms 130ms
Canon EOS Digital Rebel XSi / 450D 90ms 130ms
Canon EOS Digital Rebel XTi / 400D 100ms 170ms
Canon EOS Digital Rebel XT / 350D 100ms 170ms
Canon EOS 50D 59ms 100ms
Canon EOS 40D 59ms 100ms
Canon EOS 30D 65ms 110ms
Canon EOS 20D 65ms 115ms
Canon EOS 7D 59ms 100ms
Canon EOS 5D Mark II 73ms 145ms
Canon EOS 5D 75ms 145ms
Canon EOS 1D Mark IV 40-55ms 80ms
Canon EOS 1D Mark III 40-55ms 80ms
Canon EOS 1D Mark II N 40-55ms 87ms
Canon EOS 1DS Mark III 40-55ms 80ms
Canon EOS 1DS Mark II 40-55ms 87ms

Mar 16, 2010 at 09:15 AM


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