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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 24 Nov 2010 (Wednesday) 15:33
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Need some photogenic eyes

 
k1msta
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Nov 24, 2010 15:33 |  #1

month and half ago i switch over to t2i > 7D
i've notice that image doesnt look sharp like my old t2i.. is it me or does this 7d need to get a checked again ( took the 7d and 17-55mm for recalibrate the focus week before). or maybe its just me

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alot of my pictures look like this

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themadman
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Nov 24, 2010 15:34 |  #2

EXIF data?


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k1msta
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Nov 24, 2010 16:01 |  #3

themadman wrote in post #11340376 (external link)
EXIF data?

7d+17-55mm combo
Exposure Time (1 / Shutter Speed) {0x829A} 1/100 second
Lens F-Number / F-Stop {0x829D} 4/1 ===> ƒ/4
ISO Speed Ratings {0x8827} 500
Original Date/Time {0x9003} 2010:11:23 21:09:56
Shutter Speed Value (APEX) {0x9201} 8321/1482
Aperture Value (APEX) {0x9202} 4/1
Aperture ƒ/4
Focal Length {0x920A} 28/1 mm ===> 28 mm
Image Width {0xA002} 3456 pixels
Image Height {0xA003} 5184 pixels


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int2str
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Nov 24, 2010 16:06 as a reply to  @ k1msta's post |  #4

Do you have that EXIF in "readable" as well? :p

If that shutter speed is 1/5th, then there's your problem...




  
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HyperYagami
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Nov 24, 2010 16:16 as a reply to  @ int2str's post |  #5

object moving leads to bad focus.

post pic of something more static.



5D3 and a few lens
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phreeky
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Nov 24, 2010 16:17 |  #6

Says 1/100 for exposure time

In that particular photo is appears to have been too long, kids can move around a bit! It looks like motion blur.




  
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Andy ­ R
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Nov 24, 2010 17:01 |  #7

Looks like way to slow of a ss or one really fast child...


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tkbslc
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Nov 24, 2010 17:11 |  #8

1/100 is not fast enough if the kid was not standing still and posing.


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k1msta
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Nov 24, 2010 18:07 as a reply to  @ tkbslc's post |  #9

here's couple more
ok here's one more and took 2 more with faster Shutter Speed

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Exposure Time (1 / Shutter Speed) {0x829A} 1/400 second ===> 0.0025 second
Lens F-Number / F-Stop {0x829D} 14/5 ===> ƒ/2.8
ISO Speed Ratings {0x8827} 1600
Original Date/Time {0x9003} 2010:11:23 21:58:27
Shutter Speed Value (APEX) {0x9201} 4563/529
Shutter Speed (Exposure Time) 1/395 second
Aperture Value (APEX) {0x9202} 24361/8200
Aperture ƒ/2.8

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Exposure Time (1 / Shutter Speed) {0x829A} 1/500 second ===> 0.002 second
Lens F-Number / F-Stop {0x829D} 14/5 ===> ƒ/2.8
ISO Speed Ratings {0x8827} 2500
Original Date/Time {0x9003} 2010:11:24 01:57:13
Shutter Speed Value (APEX) {0x9201} 9/1
Shutter Speed (Exposure Time) 1/512 second
Aperture Value (APEX) {0x9202} 24361/8200
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this one was station on a chair for more steady shot
Exposure Time (1 / Shutter Speed) {0x829A} 1/500 second ===> 0.002 second
Lens F-Number / F-Stop {0x829D} 14/5 ===> ƒ/2.8
ISO Speed Ratings {0x8827} 3200
Original Date/Time {0x9003} 2010:11:24 01:56:38
Shutter Speed Value (APEX) {0x9201} 9/1
Shutter Speed (Exposure Time) 1/512 second
Aperture Value (APEX) {0x9202} 24361/8200

i dont know what im doing wrong or this 7d is teasing me :(

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Allan.L
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Nov 24, 2010 18:13 |  #10

If using one-shot focus and you sway forwards or backwards you can shift the focus, its easy to do even at 2.8. try some shots with a tripod and post back here. That is why A LOT of people have difficulty with fast glass and they come out and call a lens 'soft' when it really is user error.


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Tawcan
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Nov 24, 2010 18:14 |  #11

The first 2 look like the kid was moving while you take the pic. The last two could be a DOF issue but hard to tell with small images.

I noticed you have 5D as well. Mount the 17-55 on your 7D, take a shot at ~32mm. Mount the 50 on your 5D, take a shot. Make sure the exposure stays the same. I'd try using a higher aperture (like F8) to limit any DOF issue. Try shooting both with a tripod to reduce camera shake. Compare the two, do they have the same sharpness?


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canondslr
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Nov 24, 2010 18:19 |  #12

Sorry OOT, but where can I get that Wall-e ? does it move ? radio controlled ? or just static ?
Thanks.




  
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xarqi
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Nov 24, 2010 20:10 |  #13

Crap filter?




  
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nureality
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Nov 24, 2010 20:54 |  #14

what kind of focus selection are you using? Select AF? Area AF?


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nureality
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Nov 24, 2010 20:58 |  #15

what I would suggest doing is opening the shots in DPP and turning on AF Point (from the View Menu). And see where the AF Point is pointing... and see if that part is in focus or not.


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Need some photogenic eyes
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