[rollei_list] Re: 2.8FX shutter cock and film advance 'synchronisation'

  • From: <chatanooga@xxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Wed, 14 Dec 2005 12:14:29 +0000

Thanks Richard. Its clear to me now (pending a few more rolls) that the wind
mechanism is absolutely fine wrt to 'measurement' of the frame advance - if
I take care to move the crank back to the click/ lock I'm confident I won't
get improperly spaced frames. However whats not too hot is the fact that the
shutter seems to be enabled somewhat short of the full crank. I guess its
unlikely that this is an FX feature and more likely a problem specific to my
camera.
 Any idea how the shutter was triggered (or rather synched to the rewind) on
the previous or current 'flex generation? I could probably live with this
flaw but if its a simple mechanism a repair probably wouldn't be too
expensive.

On 12/14/05, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
>
>
> ----- Original Message -----
> From: <chatanooga@xxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Monday, December 12, 2005 5:56 AM
> Subject: [rollei_list] Re: 2.8FX shutter cock and film
> advance 'synchronisation'
>
>
> Thanks for the suggestion. Yes I would have certainly
> aligned the arrows
> correctly. I should emphasise too that out of the 3 rolls
> that I shot 2 were
> fine.  Will obviously be trying a few more rolls (taking
> care to crank to
> the click) but I think my question may well have been better
> phrased by
> asking is the procedure for next frame advance 'idiot
> proof' - assuming what
> I have described is normal behaviour then it is not. And
> thats fair enough!
>
>    I am not sure of the winding and metering arrangement in
> the FX. In a Rolleicord or Standard Rolleiflex the start
> position is determined either by the arrows or by a red
> window where the numeral 1 is set. The metering is done by a
> lever with a toothed wheel on it. The displacement of the
> lever is what controls the spacing. This is also true of the
> Rolleiflex. If the start mark is misaligned it should affect
> only the position of the first frame, not frame spacing.
>    Some auto-stop cameras do not meter the film, they assume
> an average increase in diameter of the take up spool as the
> film is wound. Examples are the roll film adaptors for
> Graphic and Graflex cameras. I think the Ikonta and
> Super-Ikonta also use this system. On these mis-setting the
> start mark may result in the spacing becoming progressively
> wider or narrower but in no case will it result in an
> overlap or a large variation from frame to frame.
>    Even though this is a relatively new camera I still think
> something is cocked up in the wind mechinism.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
> ---
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