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Edjunior

US
8 posts

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Edjunior Registered since 30th Dec 2009
Thu 07-Jan-10 11:24 PM

Well guys, guess what I found. My old Vivitar Auto Thyristor 225! And even better, it still works. Now my question is, can I use it with my Nikon D5000? I know it works, but will it do anything "adverse" to the camera. I've read a couple of things about voltage feedback, or some such, and want to make sure before I go to town with it.

And just in case anyone is interested, I managed to find a manual for it. And many others. Check out this link.

http://www.butkus.org/chinon/flashes_meters.htm

blw

Richmond, US
27313 posts

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#1. "RE: Old Vivitar Flash" | In response to Reply # 0

blw Moderator Awarded for his high level of expertise in various areas Nikonian since 18th Jun 2004
Fri 08-Jan-10 04:07 AM | edited Fri 08-Jan-10 04:07 AM by blw

You need to be careful - very careful. Flashes of that apparent vintage usually used very high trigger voltages (> 150v, usually over 250v). Your camera wants a 12v trigger, and mixing the two is a big risk. If you are bound and determined to use it, a Wein SafeSync or similar is advised.

_____
Brian... a bicoastal Nikonian and Team Member

My gallery is online. Comments and critique welcomed any time!

MEMcD

US
28360 posts

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#2. "RE: Old Vivitar Flash" | In response to Reply # 0

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Fri 08-Jan-10 04:30 AM

Hi Ed,

Welcome to Nikonians!
Here is a link that has flash triggering voltage listed: http://www.botzilla.com/photo/strobeVolts.html
Unfortunatly the Vivitar 225 is not listed, though the other models with a similar vintage exceed the safe triggering voltage by a wide margin.
You should verify the triggering voltage with a volt meter and or use a Wein SafeSync: http://www.adorama.com/WNSSHSHS.html?kbid=912610&searchinfo=Wein+SafeSync
to be safe. Call it cheap insurance.
Of course you will be limited to using the camera set in Manual exposure mode with the Flash in (non-TTL) Auto flash mode or Manual flash mode.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

avm247

Rancho Cordova, US
18684 posts

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#3. "RE: Old Vivitar Flash" | In response to Reply # 0

avm247 Moderator Awarded for high skills in documentary architecture and aviation photography Donor Ribbon. Awarded for his support to the Fundraising Campaign 2014 Charter Member
Fri 08-Jan-10 06:22 AM

Well, I would DEFINITELY advice you use something like a Wein Safe Sync to isolate the camera from the flash.

Having said that, a dedicated I-TTL flash like an SB-400 or better SB-600 or SB-900 would be best as it maintains full compatibility and can properly expose a shot especially when full power is not required.

Anthony

The Moderator Page and My Gallery
The important things in life are simple; the simple things are hard.

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