The B setting is “Bulb”. IIRC that once upon a time, they used an air bulb to trigger the shutter, and if you kept it sqeezed, it stayed open.
I use “Bulb release” now, but it’s a cable operated device… same purpose.
The B setting is “Bulb”. IIRC that once upon a time, they used an air bulb to trigger the shutter, and if you kept it sqeezed, it stayed open.
I use “Bulb release” now, but it’s a cable operated device… same purpose.