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What is the purpose of the solenoid?
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AuthorMessage
dmyhand1957
Joined: 02 Feb 2008
Posts: 5
PostPosted: Tue Feb 05, 2008 3:24 am   Post subject: What is the purpose of the solenoid?

Hi:

I just bought a really nice Crown Graphic on eBay that had a couple of rollfilm backs. Everything works very nicely. I have a question. What is the purpose of the solenoid attached to the shutter? Thanks, Dennis
RichS
Joined: 18 Oct 2001
Posts: 1468
PostPosted: Tue Feb 05, 2008 6:32 am

With the flash bulb handle attached and the proper cables, you can push the button on the flash and the solenoid fires (and syncs) the shutter. It was a great idea at the time and still useful for an electric release, or syncing with bulbs.
Les
Joined: 09 May 2001
Posts: 2682
PostPosted: Wed Feb 06, 2008 3:40 am

1. If the lens doesn't have any flash connections, then it synchronizes the shutter with the flash bulb (no electronic synchronization possible)

or

2. If there is a sync connection on the lens then it's an easy way to trip the shutter from the battery case of the flash gun.
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