... 1.0=1/32,2.0=1/16,3.0=1/8,4.0=1/4,5.0=1/2,6.0=1 ... -stop aperature,1/10 energy variable.Accureate output±0.08F,correct color temperature,stable output.5V lower ... over-voltage protective device.It can be used with Menik wireless conroller,which can work in 100 ... With Bowens softbox speedring,can be work with light stand,softbox,reflector,honeycomb and oter accessories. Market: Digital studio flashlight with ...