> On May 15, 2016, at 7:11 PM, Andrew Davidhazy <andpph@xxxxxxx> wrote: > > The following tip was sent to list HQ: > > "Forum members might be interested in an item published at www.instructables.com > on using a lens, usually installed in doors to allow owners to view visitors, in conjunction with a cell phone camera." > > Or, you can see the same thing I made for an SLR, probably in the 1980s, and suggested by others at an even earlier date!! My hint without words is at: andpph.com/2016-pix/thru-door-viewer-based-fisheye-1.jpg > > Andy
