One of the references that I saw in my perusal of that topic from both Canon
and Nikon was that the 100k or 150k figures were MTBF.
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>Subject: Re: [OM] camera life
> From: AG Schnozz <agschnozz@xxxxxxxxx>
> Date: Tue, 11 Feb 2003 13:25:10 -0800 (PST)
> To: olympus@xxxxxxxxxxxxxxx
>
>One question I have about shutter life.
>
>It used to be that the manufacturer would suggest that the
>shutters would last at least 50,000 or 150,000 cycles.
>
>Now, I wonder if they actually mean MTBF 50,000 cycles. This
>would mean that they expect a shutter to fail in every 1/50,000
>cameras every "click cycle".
>
>In the case of digital cameras, I would believe that they've
>followed the pattern of every other ISO 900x manufacturer and
>gone to a MTBF type of number.
>
>Example: computer hardrives are typically rated at 500,000 hour
>MTBF. That DOESN'T mean that you can expect your hardrive to
>last for 57 years, but that one out of every 500,000 hardrives
>will fail every hour.
>
>AG-shooting old tried and true stuff-Schnozz
>
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