Not sure about "scales at" infinity.
Do you mean the idea that one infinity is 'larger' than another ?
Look at
http://en.wikipedia.org/wiki/Cantor%27s … l_argument
as a starting point.
Or are you talking about focusing a camera?
This site has something on it but, please note, they ask for money!
http://www.kenrockwell.com/tech/how-to- … finity.htm
Bob
]]>