Haha ... Blimey we have got a pedantic architectural photog on board!
It's actually the shift part of a tilt shift lens that would make a difference here ...
The lens remains parallel to the sensor but shifted from being directly in front of it by varying degrees ... If that makes sense
Basically the result is a correction of converging parallels ... Or in very simple terms - buildings don't go pointy at the top any more ...
Tilt shift lenses are very expensive and very specialist!
Similar effect, although at the expense of quality, can be had by using lens correction tools in a lot of photo editing software
Interestingly, if you put the camera on a tripod, shift the lens to the max and then shoot a shot at each click-stop, you can stitch the result into a superwide composite. Nikon claims that the f/4.0 28mm PC Nikkor does not work on my D700. It not only works, but did the following image as above.
He can be a little silly at times, yes. But I still enjoy the videos, I have to admit. Sort of a cheesy version of Top Gear, for photogs.
How do I get on without a tripod? Well, it involves lots of outtakes! . Seriously, you just get in the habit of lining up your shots and keeping the camera level. After a fair amount of practice, it comes naturally.