Floating ISO is intended for use with zoom lenses with varying full. stops. When set to ON, it can compensate their changing effective. apertures while zooming in the following situations: ââ in manual exposure control mode ââ ISO is set to one of the values, i.e. not to Auto ISO . Clear as mud, isn't it .....
In 1872, Congress, in part under pressure from white Southerners, shut the bureau. 1  Play video The Civil War and Its Legacy. 2  Play video Sound Smart: The 15th Amendment. 3  Play video Legacy of the Civil War.
This action -- the first real Union victory of the war -- was the last important one for the Harriet Lane as a cutter of the U.S. Revenue Marine. Soon after, on 17 September 1861, she left the service through a permanent transfer to the Navy.