My Mouse (3pics)

Original:

Camera: Pentax K-r
ISO: 6400
Exposure Time: 1/15
F-stop: f/5.6

Changing the Brightness (Exposure Bias from 0 to -1.7):

Camera: Pentax K-r
ISO: 3200
Exposure Time: 1/25
Exposure Bias: -1.7
F-stop: f/5.6