Re: [Leica] same exposures???

["Robert G. Stevens" <robsteve@istar.ca>]

Francesco:

Test it again, you may have made a mistake or the lighting may have been
changing.  Otherwise, just forget about it and go out and take pictures.

Regards,

Robert

    At 09:51 PM 7/8/98 -0700, you wrote:
>What can be done about the shutter being off?  I doubt I need a CLA
>since my M6 is barely 6 months old.
>
>Francesco
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>>Francesco:
>>
>>This means that your shutter is probably off on some of the speeds.  It can
>>also mean that the aperature is off, but this is less likely.  Is it maybe
>>time for a CLA?
>>
>>Regards,
>>
>>Robert
>>
>>At 03:45 PM 7/8/98 -0700, you wrote:
>>>I recently ran an informal test on some film I was trying for the first
time
>>>(Sensia II).  I rated the film at different aperture/shutter combos, always
>>>at the same exposure.  For example, if the exposure from my incident
>>>meter was 1/250 @ f/8, I would also try 1/500 @ f/5.6, 1/1000 @ f/4,
>>>and 1/125 @ f/11.  This was on my M6, by the way.
>>>
>>>I found that as the apertures got smaller (towards f/16), the slides were 
>>>slightly darker, and as the aperture enlarged the slides were slightly 
>>>lighter.  I have noticed this before, but didn't think much of it since the
>>>decrease or increase of light is only 1/4-1/3 stop per f-stop.  
>>>Shouldn't a slide exposed at 1/250 @ f/8 look EXACTLY like a slide
>>>exposed at 1/60 @ f/16 or 1/1000 @ f/4 ??  I thought the only thing
>>>that would change would be motion-freezing ability (the shutter speed)
>>>and DOF (the aperture).  Does this signify a probem with my M6, or is
>>>this a phenomenon well-known by everyone but me?
>>>
>>>Francesco
>>>
>>>
>>>
>>>
>>>
>>>
>> 
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