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Canon Rebel T2i Digital Camera Review$899.99
With noise reduction turned off, the T2i had noise levels above 2% at ISO 3200. That's more noise than registered in any of the competitors' models. Fortunately, the 'Normal' and 'High' levels of noise reduction were fairly effective, with normal noise reduction keeping noise to just under 1% at ISO 800.
The T2i is fairly unusual in having significantly lower noise in the yellow spectrum. The T1i registered similar results. More on how we test noise.
The official ISO range on the Rebel T2i is 100 to 3200, but the camera also boasts an 'extended range' that opens up additional options: ISO 6400 and 'H' (approximately ISO 12800).
The table below contains same-size crops taken from still life photos shot with each of the comparison cameras at all standard ISO settings.