Thanks for your suggestions. I really have no clue yet.
Why did you tape a contact?
Frank
Op ma 25 nov. 2019 om 22:22 schreef Moose <olymoose@xxxxxxxxx>:
> On 11/25/2019 11:37 AM, Frank wrote:
> > I have another interesting / annoying issue.
> >
> > Some of my original Olympus BLN-1 batteries no longer work in my E-M1
> mark
> > I's.
> >
> > In my older E-M5 however, they work fine (at least it starts up and works
> > fine).
>
> For how long? What does the battery icon say after a few shots?
>
> > Anyone a clue on that? I used the original charger with them.
>
> Oly batteries and their bodies communicate. The battery tells the body
> it's state of charge, and perhaps more. (The
> communication protocol has been at least partially decoded by third party
> makers.)
>
> Two possibilities to consider:
>
> 1. The batteries are close to end of life, won't hold much charge, and the
> E-M1 is fussier about what it considers a
> good battery.
>
> 2. All BLN-1s are not equal, old ones aren't as smart as newer ones, and
> communication with the new body is poor.
>
> No idea if either might be true, just logical theories to explain observed
> behavior.
>
> A further data point in possible support for the communications theories.
> The batteries have five contacts, labeled I,
> S, -, T, +. The camera body (at least up through E-M5 II) only contacts
> the last three. I taped over the "T" contact.
>
> The camera starts up fine. When the shutter release is half pressed, it
> just shows three underlines where the battery
> icon would be. Howsomever, it happily takes pictures.
>
> Perhaps an E-M1 would refuse to work with such a battery.
>
> In Communicado Moose
>
> --
> What if the Hokey Pokey *IS* what it's all about?
> --
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