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FORUMS Cameras, Lenses & Accessories Canon Digital Cameras 
Thread started 21 Oct 2010 (Thursday) 15:42
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XpressCS
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Oct 21, 2010 15:42 |  #1

Well after shooting a wedding a couple weekends ago, I noticed that all of my photos are now grainy, as if it magically started happening.

I was shooting out doors, and had the shutter speed at 500, and haven't ever had this problem before, but now it does it all the time. Slightly grainy photos, and it never did it before, they were always clear.

Could the camera just need cleaning? Or is there something else that I need to do, like reset the camera or something?


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Chet
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Oct 21, 2010 15:45 |  #2

Any examples? What was your iso set at, were they properly exposed?




  
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kitacanon
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Oct 21, 2010 18:15 |  #3

XpressCS wrote in post #11140156 (external link)
Well after shooting a wedding a couple weekends ago, I noticed that all of my photos are now grainy, as if it magically started happening.

I was shooting out doors, and had the shutter speed at 500, and haven't ever had this problem before, but now it does it all the time. Slightly grainy photos, and it never did it before, they were always clear.

Could the camera just need cleaning? Or is there something else that I need to do, like reset the camera or something?

1. JPEG (what res?) or RAW?
2. What ISO? too high?
3. What exposure? under too much?
4. How large an enlargement? 100% crop? (12x18 or larger)
5. How close is your nose to the display/print. (should be 2x diagonal of display/print)


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Flores
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Oct 21, 2010 18:18 |  #4

i would bet a $1 your in auto-iso mode, and such a high shutter speed indoors = ISO 12000!!! (which will be grainy indeed!)




  
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Oct 21, 2010 18:49 |  #5

Flores wrote in post #11141086 (external link)
i would bet a $1 your in auto-iso mode, and such a high shutter speed indoors = ISO 12000!!! (which will be grainy indeed!)

:lol: I had that happen to me once, forgot I had it on Auto ISO. Lots of grainy pics. It's a newbie mistake.




  
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LowriderS10
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Oct 22, 2010 02:35 |  #6

Flores wrote in post #11141086 (external link)
i would bet a $1 your in auto-iso mode, and such a high shutter speed indoors = ISO 12000!!! (which will be grainy indeed!)

+1 Post a pic with the EXIF info and we'll likely have the answer...but it's most likely what Flores said :)


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MNUplander
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Oct 22, 2010 10:49 |  #7

Yep, Im with the group - I bet your ISO was too high or maybe you pushed or pulled the image too much in post...


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Oct 22, 2010 11:02 as a reply to  @ MNUplander's post |  #8

All of the above..


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XpressCS
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Oct 29, 2010 02:00 |  #9

I had the ISO set to auto, and was outdoors, but it's weird because I never had that grainy problem before.

Here's an example of some of the food I took photos of:

IMAGE: http://img149.imageshack.us/img149/6/img3385er.jpg

For one, the giant green dot in the cupcake in the background :lol:

Then zoomed in there's lots of colored dots on the icing, but it was white icing.

The shutter speed was at 500 most of the time, it went down to 200 when the flash came on. Exposure I left in the middle, no enlargement in photoshop, and I'm not printing these, but I'm sure they will. Oh, and I'm exporting in JPG Large, no raw.

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sigmakidownz
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Oct 29, 2010 02:08 |  #10

Probably because you were shooting in Auto-ISO. Try shooting in M or Av.


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XpressCS
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Oct 29, 2010 02:14 |  #11

Little late for that now lol. I have been spending a lot of time photoshopping, so next time I know to go for a lower ISO. What would be a good ISO for outdoors daytime?


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roosterslayer
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Oct 29, 2010 02:47 |  #12

^^ low. like 100, or 200. the higher the iso, the more grain. this goes for ALL cameras.


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sigmakidownz
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Oct 29, 2010 02:47 |  #13

Outdoors on a sunny day = 100 ISO


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egordon99
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Oct 29, 2010 05:56 |  #14

XpressCS wrote in post #11185993 (external link)
Little late for that now lol. I have been spending a lot of time photoshopping, so next time I know to go for a lower ISO. What would be a good ISO for outdoors daytime?

Depends on your aperture and how fast/slow a shutter speed you want.

Bryan Peterson's "Understanding Exposure" is a good book that covers some of the basic concepts of photography, including how ISO, aperture, and shutter speed work together.




  
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Oct 29, 2010 15:01 |  #15

Auto anything is funny. Cameras do come with thick manuals with lots of information. I forced myself into Manual since day 1 to force myself to learn. My camera never leaves M, ever.


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