Archived posting to the Leica Users Group, 2003/03/08

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Subject: Re: [Leica] Help on Using flash Sf 20
From: "Greg J. Lorenzo" <gregj.lorenzo@shaw.ca>
Date: Sat, 08 Mar 2003 14:35:37 -0700
References: <503FA848-51A7-11D7-ABB9-0003936D5D4A@twcny.rr.com>

I suggest you put film in the camera and try again.

Regards,

Greg

Ernest Nitka wrote:

> I have an M7 with the SF 20 flash unit - I 'm not sure it's working or 
> that I know what I'm doing.  I don't do much flash work which is why I 
> need help.
>
> i attache the SF 20 to the M7 , turn both on with the SF20 being set 
> to TTL.  Camera has no film in it so it defaults to ISO 100 I would 
> suspect.  My question is that when i shoot towards a wall of books 
> abut 8 feet away at f/4 neither the SF20 or the M7 indicate that it 
> was an adequate exposure ( the flash icon goes away immediated and the 
> 'ok' LED on SF 20 does not lite up)  the SF20 is set on f/4.  why is 
> this because prior to shooting the SF20 says i should be ok up to 16 
> feet ( GN=66/4 =~ 16).  I have to open up to f/2.8 to get both the 
> SF20 and M7 to say that there was adequate exposure.  What am I doing 
> wrong?
>
> Ernie - confused in Syracuse
>
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In reply to: Message from Ernest Nitka <enitka@twcny.rr.com> ([Leica] Help on Using flash Sf 20)