 The ships were also armed with eight 8 @.@ 8 cm ( 3 @.@ 45 in ) L / 45 Flak guns in single pedestal mounts . Four were arranged around the rear superfiring main battery turret and the other four around the forward conning tower . The Flak guns were emplaced in MPL C / 13 mountings , which allowed depression to − 10 degrees and elevation to 70 degrees . These guns fired 9 kg ( 19 @.@ 8 lb ) shells , and had an effective ceiling of 9 @,@ 150 m ( 30 @,@ 020 ft ) at 70 degrees . 
