> Using a telephoto to peer into someones window is also illegal as they typically have an expectation of privacy. In the US, in NY at least, they do not. A ca

> Using a telephoto to peer into someones window is also illegal as they typically have an expectation of privacy. In the US, in NY at least, they do not. A case about exactly this (telephoto lens photography through someone else's window, later displayed as art) didn't survive a motion to dismiss. This was upheld on appeal. Foster v Svenson (2015).