[pure-silver] Re: Packard shutters?
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 16 Feb 2005 14:36:47 -0800
----- Original Message -----
From: "Nick Zentena" <zentena@xxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Wednesday, February 16, 2005 10:47 AM
Subject: [pure-silver] Re: Packard shutters?
> On Wednesday 16 February 2005 12:46, Gene Johnson wrote:
>> with the pin in, the shutter should open AND close.
>> Squeeze harder. Make
>> sure the pin is in right. It's good if the pin is a nice
>> close fit in the
>> hole. Finish nails come in different sizes and one of
>> the middle sizes is
>> right around perfect. I file the point sort of round,
>> and even sometimes
>> nake a blob of JB weld as sort of a knob.
>
>
> Okay I'm confused. It seems to work okay if I leave my
> thumb off the hole. Is
> that the right way then?
>
> The piston doesn't seem to return all the way some times.
> Do they need some
> sort of lube? It's okay most of the time in instant mode
> but with the bulb
> mode some times it hangs up partially open.
>
> Thanks
> Nick
>
The piston must be sucked back up by the bulb. When in
instantaneous (pin in) you put your finger over the hole in
the bulb, squeeze it sharply to trip the shutter and then
let it suck the piston back up, all with the hole closed.
The opening is there mostly for time exposures. To close the
shutter from a T exposure where you have let go of the bulb
squeeze it with the hole open, then cover it with your thumb
or finger and suck the shutter closed again.
Work the piston with your fingers to check the operation
of the shutter.
DO NOT lubricate the piston.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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