5d iso noise

JerrardM

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I've got a 5d mk1 and in the studio using a 50mm 1.8, 85mm 1.8, or my Tokina 24-75 2.8 I get lovely sharp images up to iso 800 but outdoors it's a very different story. Did a shoot yesterday for a family and it was quite overcast so I pumped the iso up to 500 to allow me to use a faster shutter speed as I like people moving around so I can capture natural shots, not fast moving though. I was shocked when I downloaded the images last night to see how grainy they were. Even ones I shot at 200 had grain in them and I am thinking that that can't be right. Is there something wrong with my 5D?
 
Were the photographs underexposed? The noise floor isn't very swell in the 5D (by comparison to today's cameras), so pushing the exposure too much will increase the visible noise.
 
After buying a 5D recently I was quite shocked at the amount of noise after reading so many good things about high ISO performance and image quality in general however after getting over initial disappointment mainly due to unrealistic expectations I've found that after noise reduction shots usually look good.
 
Whack in +1/3-2/3 of a stop of ETTR overexposure and you should be fine at most noise levels. The noise floor isn't great as has been said so you have to make sure you're pulling back highlights and not pushing shadows in post.
 
I think on a few shots I was trying to get too much information out of the shadows and it really didn't like it. I guess I have been spoilt working in the studio where I can do a 100% crop and see pin-sharp images at ISO 200. Outside, moving about, taking into account all the variables I guess I should expect noise in post but that's not to say I like it! I do need to get better at exposing on the fly when shooting people with the sun behind them and making it hard to find the right exposure. Anyone got any tips on that btw?
 
I do need to get better at exposing on the fly when shooting people with the sun behind them and making it hard to find the right exposure. Anyone got any tips on that btw?

Fill flash?
 
Fill flash?

I'm trying to get the lens flare but not end up with silouhettes and it ain't easy. Going full manual but when you've got a dad swinging his daughter around in the air and you are trying to get a focus and lens flare at the same time....well, I don't get many keepers put it that way!:bonk:
 
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