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Keep Shooting! Photography Assignments (04 Feb 2013)

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Trouble with the Canon 60D

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4 years 11 months ago #2717 by Roy van Ommen
As i work daily in the studio with the MkIII, i don't have any noise problems with that.

But! I have got some with my Canon 60D which is my personal camera and which i use to take personal shots and to experiment with.

So, according to this video, the 60D should perform best on ISO 160.


So, did that. Put it on ISO 160. F22, shutter speed of 30 seconds. Placed it on a tripod. Got it outside, focused in. And shot it.

This is the result. It isnt satisfying me AT ALL. There is a lot of noise in it (which bothers me, every single shot) and it doesnt look sharp to me.

Yes! I shot it with a multizoom lens, Just to get back to the basics.

What in earth am i doing wrong (as this is not what i have learned photography for, this is something new to me.. ;))


RVOFoto -1 by RVOFoto , on Flickr

Thanks!

Roy

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4 years 11 months ago #2718 by Dan Walker
Hi Roy,

At f22 your sensor is probably suffering from the effects of diffraction. You will notice this a lot more on the 60d's aps-c sensor than your 5d mkiii because the physical pixel size on your sensor is smaller.

Have a read of this:

http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm

As for the noise, I'm not sure that diffraction causes any or not but I've had problems with Canon sensors in the past and I'm now shooting Nikon.

Hope I've helped anyway.

(P.S. This is my first post, I'm looking forward to being part of the #Cazillions community)
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4 years 11 months ago #2719 by Gregory Cazillo
Long exposures always have noise, especially ones like what you have there. See if there is a long exposure noise setting on it and if it affects raw files. As long as the images are fine in daylight at normal exposure then there is nothing wrong with the camera, it's just a function of long exposures and under exposure.
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4 years 11 months ago #2720 by Roy van Ommen
Thank you both... i will try again.

Thank you Dane for looking that up and posting this comment. I will try again tonight with a lower F/stop..

Greetings,
Roy

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4 years 11 months ago #2757 by Roy van Ommen
I tried again.... this is what i got ;)


RVOFoto -1 by RVOFoto , on Flickr

@ 18 mm
ISO 100
20 sec
f/8.0

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4 years 11 months ago #2774 by Roy van Ommen
Mmm.. after reviewing the image over night, the right side looks a bit dark. Did not see that yesterday.

Ah well. It was a test :)

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4 years 11 months ago #2816 by Roy van Ommen
So uhm, what do you guys think of the last shot...?

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4 years 11 months ago #2826 by Bill
The grain issue is much better in the last shot, but it still seems a little soft to me. I love the colors :D
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4 years 11 months ago #2847 by Erik Ballew
The small f22 aperture is giving you the star effect on the lights, the noise is coming from having your shutter open for 30 seconds.

I do like your second shot by the way.

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4 years 11 months ago #2857 by Mark
I'm thinking noise from the long exposure time.

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