Maybe you are in Macro mode?

"Bob K." <tenbob@optonline.net> wrote in message 
news:n5imq0deq1h2stsnnu33jdvmhpi7o40efv@4ax.com...
I am having a problem getting focus in a large room with plenty of
ambient light.  I hold the button half way down as prescribed and
often get fuzzy faces about 25 feet away.