What is also known as a protector?
A Prontor-Compur connection
What kind of protector?
A PC connector
What is the usual size?
3.5 mm
Is this unusual?
no
Where does the term Prontor come from?
Italy
What is the connector used for?
Synchronization
Of what?
A shutter to the flash in photography
What is the word Compur from?
The word compound.
What is it the name of?
A series of leaf shutters.
When did Prontor originate?
1953
And Compur?
1951
Are they totally different from one another?
No
What is alike about them?
shared a common 1/8"-inch coaxial connector
What did this aid the item in achieving?
for shutter/flash synchronization.
Who had a major interest in the brand?
Zeiss organization
Who was the manufacturer?
Gauthier
Did they make 20,000 a day?
No
How many did they make per day?
up to 10,000
Is the company still creating these today?
No