Experiment Shows the Value of Mirror Lockup and a Tripod

"It’s the reflex in Single Lens Reflex – the ubiquitous mirror that allows SLR cameras to use the same optical path for composition, focusing, and metering.  The mirror action is a marvel of mechanical genius, but does the mirror movement cause vibrations that subtly degrade the image?  And does the mirror lock-up feature solve the problem?"

The video and accompanying article is a nice way of demonstrating the value of both mirror lock-up and a tripod, something most veteran photographers have known all this while. So next time if you are feel like leaving the tripod at home, watch this video.