Canon 7D noise problem

Started Jun 5, 2012 | Discussions thread
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Encephalartos
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Canon 7D noise problem
Jun 5, 2012

Hello this is my first time posting to the Canon forum, two weeks ago tomorrow I brought a 7D along with 3 lenses (100mm 2.8 L, 17-40 f4 L and 50mm 1.4). so far I am very happy with the camera and I am impressed with its performance. I have come from a D7000 that got stolen a few weeks ago.

But I seem to be having a problem with low ISO noise, I only shoot in RAW and then load the files into LR4 this is where I notice the problem manly in the sky or other lighter areas. One thing that I have done is enable highlight tone priority, from what I have read is that it is very effective at preventing the highlights from being “clipped”. Manly of the subjects I shoot can be quite prone to highlight clipping such as Rhododendron flowers.

I have attached an image that was taken in raw and converted to JPEG using lightroom without any correction being applied but there is considerable noise in the sky. I am not sure if this is a 7D thing (maybe not!) but a HTP thing. Any advice would be much appreciated? The picture as taken in aperture priority if its any help?
If I am not using the right setting what would any of you recommend?

James

Canon EOS 7D Nikon D7000
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