The alpha 5100 is lacking of the fn-menu of the A6000. Many users want this feature: https://community.sony.com/t5/Join-the-Inspiration/A5000-A5100-Firmware-Update-to-Add-Quick-Function-Menu-Option/idi-p/480322 https://www.reddit.com/r/SonyAlpha/comments/360pyj/is_there_anyway_to_get_the_function_menu_on_the/