Thanks for the replys - all help is appreciated. :)

gster - its a drawing by an 18th centuary italian artist, no cybershot info available i'm afraid :) :)

I finally managed to get vertical uprights by increasing the focal length of the camera to 150 and then zooming back in, and using the offsets to centre the picture. Now the left and right...

Thank you very much - that looks to be exactly what i need. :) I'll try it this evening when the house is quiet.

Thanks again mate.

Is there a way to 'force' Maya to use 2 point perspective?

I'm trying to model a scene by Piranesi. As you can see, he uses standard 2 point perspective with 'true' verticals.
The left and right...