I present to you the new Nikon D4400 with Picture-in-Picture technology:

Neat effect!
Ralph

Near the end of my first marriage, I had gone out with a couple buddies and sat outside PRR's Zoo Tower in Philadelphia, with a brace of photo floods strategically positioned to photograph (with some very fast Ilford's B&W film) the the American Freeom Train, with Former Reading T-1 #2101 at the point, thunder past on it way from Delaware to upstate New York. I did not use the entire 36 exposure roll of film and so, when I needed to shoot something in color a few days later, being very frugal, I backed out the roll, leaving about and inch or so tail of film extending from the can for the purposes off finishing the

Some days later, leaving the house to go to some function with some friends, and running late as usual, my former wife just indiscriminately grabbed a few rolls of film without looking and off she went. After developing the film, she was upset that the photographs of some afternoon of fun with some girlfriends has some "stupid train images apparently taken at night" under the pictures she had taken of her girlfriends!

You can imagine that my anger much surpassed hers!!!

ah we have reinvented the double exposure