The downside to playing around so much with #flashbulbs is that you need to test synchronisation with every combination of camera and different type of flash bulb - it's not standardised at all - and sometimes that means sitting and taking an assortment of awkward self portraits while you blind yourself with small vintage explosives.
(#Leica IIIg, 90mm Elmar, Fomapan 100 in Rodinal - and an Atlas Type 1B bulb in a Leitz CEYOO flash gun)
