NIKOND7000 problem with noise in pics?

I've been shooting a lot this summer with my Nikon d7000.
I usually try to shoot in aperture mode anywhere between 3-5.6 and iso of 200-800 depending on my lighting situation.
lately i'm having a lot of problems with too much noise in my photos… How can i avoid that…

2 Tips to reduce noise
1) Don't cross ISO 340 (use slower shutter speed whenever possible)
2) Don't Crop more than 2000(on the longest side) X
Thats about it… I have used the D7000 for sometime… If you are not satisfied with your pciture quality even after that then get a Fx format camera…

There could be a problem
The amount of noise caused by high ISO settings on a D7000 is VERY low. Having it show up in lower ISO settings tells me that something is amiss
Call Nikon for some help.
I have included a photo shot on a much older D300 at 3200 ISO. I have also linked you to a site that compares cameras sensor performance.
As you will see, your D7000 should be performing well with little or NO noise at those ISO settings you listed
Here is the shot taken at 3200 ISO
Noise shows up first in the shadow areas. This posted image has been reduced to 600x400 pixels @ 72 PPI for posting.
Here is how the Nikon D300 and D7000 sensors compare
Too bad you did not show us an example
One way to avoid something called "artifacts", things that appear from time to time in JPEG files is to shoot in RAW and then export them as high resolution JPEG's, higher than your camera can produce
http://www.dxomark.com/...nd2)/Nikon
As you can see, the D7000 should be outperforming the D300 and it apparently isn't
Time to call Nikon
NOTE: Try shooting in RAW and after processing, export the image as a TIFF
Do you still see the "noise"?

Noise is caused by setting a high ISO - if you want to avoid having to set higher ISOs and the resulting noise it creates, then you will need to get more light.
Understanding exposure: http://www.cambridgeincolour.com/...posure.htm
If the noise isn't too bad, then you may be able to process most of it out in post processing. Another option is to shoot RAW and process the noise out later.
I shouldn't think the noise would be that bad at ISO 200-800 - most modern DSLRs are quite capable of producing great images in that range. Are you sure what you are talking about is noise - looks like this: - or is it something else?

It could be a setting somewhere… I had a similar problem once with my d40 and i i found out on of the settings in the menu was changed as i was setting the iso on the screen and it ended up messing it up…
try resetting all the menu settings and shooting with iso 2-400 and see how that goes.
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