Progress on fixing bug where focal length thumb slider doesn't move when lenses changed. Use correct method to change value.
Progress on fixing bug where focal length thumb slider doesn't move when lenses changed. Use correct method to change value.

git-svn-id: 4a5ec05450f86a3c6a1fc598c6a2cc309f138f72@101 47ff50dc-0605-4f76-b7d8-dcce2e23a4a2

bradsokol/iphonefieldtools,bradsokol/iphonefieldtools,bradsokol/iphonefieldtools,bradsokol/iphonefieldtools