40D ISO 800 Original:

40D ISO 800 Noise Ninja:

40D ISO 800 Nik Dfine 2 + Nik Raw Pre Sharpen:

40D ISO 1600 Original:

40D ISO 1600 Noise Ninja:

40D ISO 1600 Nik Dfine 2 + Nik Raw Pre Sharpen:

40D ISO 3200 Original:

40D ISO 3200 Noise Ninja:

40D ISO 3200 Nik Dfine 2 + Nik Raw Pre Sharpen:

Both plugins do a great job at reducing noise on these images. I will leave you to decide which one would be your preferred choice. I will add another post to examine the effect of these two on the 50D images in my next post.
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