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m645 auto-exposure on the blink

 
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scenic_man

External


Since: Jun 23, 2007
Posts: 9



(Msg. 1) Posted: Thu Jan 24, 2008 2:23 am
Post subject: m645 auto-exposure on the blink
Archived from groups: rec>photo>equipment>medium-format (more info?)

I have a Mamiya m645.
This is the old one, before they came up with the swoopy viewfinder.
(model "J"?)

I got it 2nd hand last June, and it worked quite well
(except that the thing that automatically resets the frame number
when I finish the roll doesn't work).
I used it off and on through the summer and fall.

Then a couple weeks ago, I went to use it,
and the LEDs of the "exposure assist" (match the "needles") didn't light up.
I couldn't think of any good reason why the battery would have run down,
although there probably is such a scenario.

Anyway, I bought a new battery, and tonight I put it in.
Still no LEDs!
And, more specifically, pushing the little "lamp-test" button on the
right-hand side does not light up the little "battery-OK" LED
on the left-hand side.

Any ideas on what might have gone wrong,
or what state it's in now?

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Rob Bradford

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Since: Sep 04, 2007
Posts: 18



(Msg. 2) Posted: Thu Jan 24, 2008 3:34 pm
Post subject: Re: m645 auto-exposure on the blink [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Des the batt check light up with the finder removed from the body? If not
then it could be a duff battery, if it does clean the contacts refit the
finder and see what happens.

You have nothing to loose.

--
(\__/) This is Bunny.
(='.'=) Help him and his friends by supporting the
(")_(") Rabbit Welfare Association: www.houserabbit.co.uk


"scenic_man" <l96wagt02.TakeThisOut@sneakemail.com> wrote in message
news:zQVlj.15370$%p6.1295@trndny06...
>I have a Mamiya m645.
> This is the old one, before they came up with the swoopy viewfinder.
> (model "J"?)
>
> I got it 2nd hand last June, and it worked quite well
> (except that the thing that automatically resets the frame number
> when I finish the roll doesn't work).
> I used it off and on through the summer and fall.
>
> Then a couple weeks ago, I went to use it,
> and the LEDs of the "exposure assist" (match the "needles") didn't light
> up.
> I couldn't think of any good reason why the battery would have run down,
> although there probably is such a scenario.
>
> Anyway, I bought a new battery, and tonight I put it in.
> Still no LEDs!
> And, more specifically, pushing the little "lamp-test" button on the
> right-hand side does not light up the little "battery-OK" LED
> on the left-hand side.
>
> Any ideas on what might have gone wrong,
> or what state it's in now?

 >> Stay informed about: m645 auto-exposure on the blink 
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scenic_man

External


Since: Jun 23, 2007
Posts: 9



(Msg. 3) Posted: Fri Jan 25, 2008 11:16 am
Post subject: Re: m645 auto-exposure on the blink [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Rob Bradford wrote:
> Des the batt check light up with the finder removed from the body? If not
> then it could be a duff battery, if it does clean the contacts refit the
> finder and see what happens.
>
> You have nothing to loose.

It appears that I had forgotten how to work the internal light meter system.
I was trying to adjust the shutter speed with the right-hand knob,
the one that's attached to the view finder,
without first having set the left-hand, on-camera knob to "Bulb".
Did that, works fine now.

Not sure *what* to make of the green lamp-test LED not coming on ...
works fine now too, both before and after following Rob's advice above.
 >> Stay informed about: m645 auto-exposure on the blink 
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Rob Bradford

External


Since: Sep 04, 2007
Posts: 18



(Msg. 4) Posted: Sat Jan 26, 2008 7:59 am
Post subject: Re: m645 auto-exposure on the blink [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Been there done that, in fact I'm about to dig mine out, I have't used it
much since getting a later model (645 Pro).

--
(\__/) This is Bunny.
(='.'=) Help him and his friends by supporting the
(")_(") Rabbit Welfare Association: www.houserabbit.co.uk


"scenic_man" <l96wagt02.RemoveThis@sneakemail.com> wrote in message
news:1Ummj.1$w66.0@trndny06...
> Rob Bradford wrote:
>> Des the batt check light up with the finder removed from the body? If not
>> then it could be a duff battery, if it does clean the contacts refit the
>> finder and see what happens.
>>
>> You have nothing to loose.
>
> It appears that I had forgotten how to work the internal light meter
> system.
> I was trying to adjust the shutter speed with the right-hand knob,
> the one that's attached to the view finder,
> without first having set the left-hand, on-camera knob to "Bulb".
> Did that, works fine now.
>
> Not sure *what* to make of the green lamp-test LED not coming on ...
> works fine now too, both before and after following Rob's advice above.
 >> Stay informed about: m645 auto-exposure on the blink 
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