Archived posting to the Leica Users Group, 2005/11/21

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Subject: [Leica] Vivitar 283 Flash Unit
From: raimo.m.korhonen at uusikaupunki.fi (Raimo K)
Date: Mon Nov 21 11:59:01 2005
References: <1132553213.438163fe01999@discus.singnet.com.sg> <B7710780-AA9D-403B-B644-D0C9CF949D39@shaw.ca>

The 283s that have voltages of approx. 300 volts are the Made in Japan ones. 
Others are safe, relatively.
All the best!
Raimo K
Personal photography homepage at:
http://www.uusikaupunki.fi/~raikorho


----- Original Message ----- 
From: "John Collier" <jbcollier@shaw.ca>
To: "Leica Users Group" <lug@leica-users.org>
Sent: Monday, November 21, 2005 3:41 PM
Subject: Re: [Leica] Vivitar 283 Flash Unit


> http://www.botzilla.com/photo/strobeVolts.html
>
> Be very, very careful. Older 283s will have a sync voltage in the 
> hundreds of volts. I have heard that the last ones produced had low  sync 
> voltages.
>
> It is simple to check if you have a digital voltmeter. Turn the flash  on 
> and wait about two minutes after the flash ready light has lit.  Then 
> simply connect the voltmeter across the two flash foot contacts.
>
> John Collier
>
> On 20-Nov-05, at 11:06 PM, joelct wrote:
>
>> I would appreciate advice if anyone has used this on their Canon 20D
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information 


Replies: Reply from joelct at singnet.com.sg (Joseph Low) ([Leica] Vivitar 283 Flash Unit)
In reply to: Message from joelct at singnet.com.sg (joelct) ([Leica] Vivitar 283 Flash Unit)
Message from jbcollier at shaw.ca (John Collier) ([Leica] Vivitar 283 Flash Unit)