Another potential cause of discrepancy might be the fact that the KM and
K1000 use full-frame averaging meters rather than center-weighted like most
other cameras. The difference should be pretty small in most cases, though.
-- Original Message --
>Ryan,
>
>The K1000 was a stripped down version of the KM so I suppose that it
>also used the same meter cells, ie. cadmium sulphide (CdS). The virtue
>of CdS is that they have good sensitivity and are well matched in colour
>response to the human eye. Their downside is that they suffer from
>memory, especially when moving from very bright to darker readings, and
>can sometimes take several minutes to fully recover from exposure to
>high levels of light. So the erratic performance of your K1000's meter
>might be due to these conditions. Test it again, this time giving the
>cells a little time to recover from bright readings, before you judge it
>to be faulty.
>
>Regards,
>Anthony Farr
>
>----- Original Message -----
>From: "Ryan Smith" <[EMAIL PROTECTED]>
>Subject: K1000 metering problems & other questions
>
>
>> (snip)
>>When comparing the K1000's meter readings with my Canon
>> T70 and AE-1 Program, with similar lenses, the readings are quite
>> inconsistent. Sometimes the K1000 gives the exact same reading as the
>> Canons, sometimes overexposes and sometimes underexposes, usually by
>> about 1 stop.
>>
>> I put a test roll through the camera. Most of the shots were with
>flash
>> and they came out perfectly. Of the ones without flash, most were
>> underexposed, though a couple of macro shots were good.
>> (snip)
--
Mark Roberts
www.robertstech.com
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