Posted on July 26, 2013July 26, 2013 by PegMore Monumental Lights Monumental Lights – ZS15 Handheld Night Mode Monumental Lights – L1 Manual Mode The ZS15 does a really good job in “handheld night scene mode” – autofocus, f5.6, .25 second, ISO 1600. And the L1, takes a better night shot on total manual – focus infinity, f8.0, .5 second, ISO 200.