I'd like to clarify what Alan said. He probably forgot to qualify his statement a bit. It's true that ISO 100 will generate the least noise if ISO 100 is correct for a proper exposure.In general, anytime you underexpose an image, you will incur more noise than when it's properly exposed. A proper exposure at ISO 100 will generate the least noise with the D7000.If you want to reduce noise you can also look at using 3rd party noise reduction software in post production.
Larry"Red is gray and yellow white, but we decide which is right ....and which is an illusion" Moody Blues - Nights in White Satin
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