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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 23 Apr 2009 (Thursday) 18:20
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canon 40d vs XSI low light

 
tudragan
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Apr 23, 2009 18:20 |  #1

I have a quick question for yall and its not the whole debate between the two.. gasp...

me and my cousin were shoting in a church on easter. He has a XSI and i have a 40D, both with the same kit lens (28-135)

i LOVE my camera, but for some reason he was getting better pictures than i was. I was initially shotting in TV mode and then switched to P so that i can compare with his camera. the XSI seemed to shot brighter and clearer shots. Both cameras were set to ISO 1600 and set to P . the only difference i could see between the two were that i was shotting in AI Focus and he was in One shot.

i dont have any examples to show yall right now but i will try to get them up. It seemed like my camera was either oversaturating or something as peoples faces seem to look like a big blob almost


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Subfightersandman
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Apr 23, 2009 18:50 |  #2

Were you shooting in Jpeg or Raw, if Jpeg check your picture style it may be different than his. Also for a fair comparison I would shoot in manual, ISO is not the only thing that effects the light you need to make sure the Shutter Speed and Aperture are the same.

Also dont use AI focus its crap, stick to Al servo or one shot.

Roshan


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enginyr
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Apr 23, 2009 23:55 |  #3

gotta post pics. It's probably just a figment or his screen was brighter possibly


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tkbslc
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Apr 24, 2009 00:50 |  #4

40D and XSI are very very similar in low light. You may have had Noise reduction on, or were underexposing.


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tudragan
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Apr 24, 2009 01:27 |  #5

here is an example from my camera

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i believe i was shotting in AV mode, but i am sure it would have been the same in any mode. it is possible that my picture style for JPEG is different than his as as i turned up sharpness and saturation.

as you can see from my picture, seemed to overexpose the face and have a red/orange color. i do not beleive it is from increasing saturation as my RAW file is the same

noise reduction is still off.

edit: heres another one
my cousin took the same exact picture is it was almost perfect
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Andy_Cam
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Apr 24, 2009 01:38 |  #6

You were using spot metering, it is possible that he was on something else?


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Brett
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Apr 24, 2009 08:11 |  #7

Andy_Cam wrote in post #7793604 (external link)
You were using spot metering, it is possible that he was on something else?

Yep. Spot metering his handy, but in challenging light you really have to know that you want the camera to meter only the center spot. Center-weighted average would have served you better here.



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Subfightersandman
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Apr 24, 2009 12:48 |  #8

specifically how were your pics different than his, it could be a white balance issue. Your are probably going to need to sit down and compare your setting with his, because it really could be a lot of different things.


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tudragan
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Apr 24, 2009 13:05 |  #9

Brett wrote in post #7794692 (external link)
Yep. Spot metering his handy, but in challenging light you really have to know that you want the camera to meter only the center spot. Center-weighted average would have served you better here.

i know that he was using evaluative metering with AWB. i was using spot metering with AWB as well. good to know for next time, thank you !

Subfightersandman wrote in post #7796414 (external link)
specifically how were your pics different than his, it could be a white balance issue. Your are probably going to need to sit down and compare your setting with his, because it really could be a lot of different things.

stated above, i dont think it was WB issue unless my camera doesnt do it properly? his pictures looked more real/realistic. faces on his camera seemed to be more natural, an ddidnt blow out the faces like mine did


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griptape
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Apr 24, 2009 15:43 |  #10

I'm not seeing any candles in the first one. Having faces right next to a light source in his vs. a light source in front of the people (and you shooting from the side) would do that.




  
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enginyr
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Apr 24, 2009 15:58 |  #11

Both pictures are from your camera. 1st is at is3200. Second at IS1600 at a MUCH longer shutter speed and shorter focal length.

NO BRAINER HERE

1st Picture
Camera Model = Canon EOS 40D
# Exposure Time (1 / Shutter Speed) = 1/20 second = 0.05 second
# Lens F-Number/F-Stop = 56/10 = F5.6
# Exposure Program = normal program (2)
# ISO Speed Ratings = 3200
Focal Length = 135/1 mm = 135 mm

Second Picture
Camera Model = Canon EOS 40D
# Exposure Time (1 / Shutter Speed) = 3/10 second = 1/3.33333 second = 0.3 second
# Lens F-Number/F-Stop = 45/10 = F4.5
# Exposure Program = normal program (2)
# ISO Speed Ratings = 1600
Focal Length = 50/1 mm = 50 mm


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jm4ever
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Apr 24, 2009 16:14 |  #12

Can you show us an example of your cousins nearly perfect shot so we can compare?




  
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kazak
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Apr 24, 2009 16:27 |  #13

I didn't realize photobucket kept exif data. Now I know.

enginyr wrote in post #7797467 (external link)
Both pictures are from your camera. 1st is at is3200. Second at IS1600 at a MUCH longer shutter speed and shorter focal length.

NO BRAINER HERE

1st Picture
Camera Model = Canon EOS 40D
# Exposure Time (1 / Shutter Speed) = 1/20 second = 0.05 second
# Lens F-Number/F-Stop = 56/10 = F5.6
# Exposure Program = normal program (2)
# ISO Speed Ratings = 3200
Focal Length = 135/1 mm = 135 mm

Second Picture
Camera Model = Canon EOS 40D
# Exposure Time (1 / Shutter Speed) = 3/10 second = 1/3.33333 second = 0.3 second
# Lens F-Number/F-Stop = 45/10 = F4.5
# Exposure Program = normal program (2)
# ISO Speed Ratings = 1600
Focal Length = 50/1 mm = 50 mm




  
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samurairx7
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Apr 24, 2009 16:35 |  #14

is this a trick question? ahhahaah



  
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Subfightersandman
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Apr 27, 2009 18:21 |  #15

ok so we know your exposure is off, but we will not be able to answer your question until you post a pic of your friends, or at least his exif data. If the exif data is not the same it really isnt a fair comparison.


40D, 70D
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Canon EF 70-200 F4 L
Canon EF 85mm 1.8
Godox 860C x2
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canon 40d vs XSI low light
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