A candid shot of my little daughter when she was busy playing. The 70-300 is surprisingly good for candid portraits as well. I have got many such beautiful shots from a distance without bothering her.
Camera Canon EOS Digital Rebel XSi
Exposure 0.008 sec (1/125)
Aperture f/7.1
Focal Length 135 mm
ISO Speed 400
Exposure Bias 0 EV
Lens Canon EF 70-300