cattle guards

[Tom Deering <tdeering@xxxxxxxxxxxx>]

>In other words, if you took a picture of a
>cattle guard at a low angle, would bars at one distance be in
>better focus in one lens than in the other?   Hmmm...  Maybe
>they don't have cattle guards in NYC, although I have heard
>they are pretty modern there.

You mean a series of metal bars down near the ground that keep cows from
crossing?  No, they don't have them here.  :^)

Tom