[pure-silver] Re: old Leica and fast shutter speeds

----- Original Message ----- 
From: "shannon stoney" <sstoney@xxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Monday, September 27, 2004 1:33 PM
Subject: [pure-silver] Re: old Leica and fast shutter speeds


>>  > I have an old Leica rangefinder camera from the 
>> thirties.  The other
>>>  day I took it to the beach and shot a roll of film at 
>>> 1/1000 of a
>>>  second, because there was so much light.  But, most of 
>>> the frames are
>>>  only partially exposed on one side.  Can I conclude 
>>> that the shutter
>>>  just doesn't work at that speed?  It seems to work fine 
>>> at the more
>>>  usual speeds of 1/60th, 1/100th, etc. I wonder if this 
>>> is a common
>>>  problem for old cameras.
>>>
>>
>>
>>A very common problem with older LTM cameras used at 
>>1/1000 sec is the
>>curtain either closing too early in it's travel. Remember, 
>>the slit (delay
>>until the 2nd curtain releases) is VERY small at 1/1000 
>>sec and it requires
>>a very well cleaned and adjusted shutter to work 
>>consistantly at this speed.
>>
>>Has it had a CLA recently?  Might be time.
>
>
> It had a complete workover about a year ago, when it first 
> came out
> of the attic.  But in early september it had a little 
> accident.  A
> baby mule kicked it.  His hooves were very small and it 
> didn't hurt
> much, so I assumed it didn't hurt the camera either.  The 
> camera was
> hanging around my neck and his little hooves just came up 
> under it
> and sort of knocked it a little bit.
>
>>
>>BTW, it is better to use a tighter aperture setting than 
>>count on the
>>highest shutter speed on these guys.  What film?
>
>
> TriX.  The tightest aperture is about 12.5!
>
> --shannon
>
   Needs to be checked out again. Leica did not want bluring 
from diffraction so limited the smallest stops on its 
earlier lenses. If its a 1930's camera remember than "fast" 
film of the time was around ISO-200 (there was faster but 
not often used for 35mm).

---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx 

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