Minox 8×11 flash is a constant output flash, the only control is on/off and trigger. Guide number 12 meter with ASA 100 film. With Minox A/B/C etc, it reaches 12/3.5 = 3.5 meter. With EC it reaches 12/5.6 =2 meter.
You will need an adapter, in order to employ this flash to basically all 8×11, apart from the EC model, since it was designed for this particular one.
Figures to use with this flash unit: