Tim isn't happy with the sharpness of his new wide-angle Sigma zoom wide open at f/2.8. Is it a problem with the specific lens, his technique, or a flawed design? For the second half of this show, we're trying something a little different. Dan regales us with a story of his thought process while trying to feed video to puppeteers during a photoshoot in this first edition of 'Tales of the Studio' (cue 50's horror music)