Yeah...but the distinctive white lens marks it out as a Canon L-series (colloquially known as 'L-glass'), which all the pros I know absolutely swear by, whereas the larger one probably cost the same as a new car but still doesn't get that wonderful image sharpness.
When it comes to plunking down your hard earned dollars on a good camera setup, it pays to take a tip from Sir Mix-A-Lot and 'put 'em on the glass!'
Oh, and by the way...
"Notice how much bigger the black one is." -Brandon Iron