[rollei_list] Re: little rollei flash and manual

Elias:
       As I suspected and wrote in one of my messages,
that is a Rollei 121 BC flash, I wrote:

"... the 121 BC and E 20 C, these models
have the same external design and external size than
the E15B, however they can work manual and automatic;
for the automatic mode these flash units work from
0,4m to 4m at f/4 using ISO 50 DIN 18 film speed,
there is a dial in the unit to adjust the f stop
according the ISO and DIN film speed. The flash
duration for the automatic mode can vary from 1/2500
sec to 1/30000 sec according the existing light. The
flash duration for the manual mode is 1/2500 sec..."

The 121 BC was manufactured from October 1973 to 1980,
329,000 units produced. There was a little special
series in 1974 grey color.
This is a manual for your flash:

http://66.49.230.119/flashes_meters/rollei_121_bc.pdf

All the best
Carlos




        

        
                
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