The German manufacturer Metz released a teaser for "new generation of insertion flashes" on their Facebook page. The first model will be launched at Photokina. They claim that they could reduce the size of the flash by 30%:
EXPECT FIRST CLASS! #Metz #mecablitz
At photokina, we present you a new flash light which will be the starting shot of a new generation of insertion flashes! With new developed technologies and construction, we save more than 30 % of the manufactured size. #SizeMatters đ
Till photokina, we will publish further exclusive information concerning the new flash light on facebook! #Metz #TheLightpioneer