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Olympus OM-D E-M1 The first Micro Four Thirds camera that offers phase detect focusing so you can use Four Thirds DSLR lenses normally as well a Micro Four Thirds lenses.

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Old 5th October 2015
crimbo crimbo is offline
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External power EM-1 and EM-5

I know Olympus sell the AC-3 but an AC-1 works
http://www.exprodirect.com/ex-pro-ol...y-adapter.html
It has that funny connector that you cannot seem to get anywhere else

...and if you combine it with one of these...
15000mAH DC 5V/9V/12V USB High Capacity Rechargeable: Amazon.co.uk: Camera & Photo 15000mAH DC 5V/9V/12V USB High Capacity Rechargeable: Amazon.co.uk: Camera & Photo



I have powered an EM-5 with no batteries with this set up

How...it works out in practice... I'll see at the next gig...
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Old 5th October 2015
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Re: External power EM-1 and EM-5

Nice find - thanks for sharing.
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Old 5th October 2015
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Re: External power EM-1 and EM-5

I am probably being a bit thick Chris, but how would you connect the battery pack to the camera?
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Old 5th October 2015
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Re: External power EM-1 and EM-5

That requires the bodge ... you have to cut the cable with the connector and similarly the USB out cable from the battery
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Old 5th October 2015
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Re: External power EM-1 and EM-5

I'd have a slight concern about the power rating. Both AC-1 and AC-3 are 9V but the ExPro AC-1 is only rated for 1.7A while the AC-3 can deliver 3A... the Olympus site doesn't specify the current from the genuine AC-1.

With those ratings, it begs the question as to whether the AC-1 can provide enough power under all operating conditions.

Steve
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Old 6th October 2015
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Re: External power EM-1 and EM-5

I have a new boxed Ac-1 here and it says DC9V-2.5A. Not sure what they are worth i know i paid a fortune for it!! and never got round to using it, but would be up for a sale if anyone interested
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Old 6th October 2015
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Re: External power EM-1 and EM-5

They are expensive in the UK. The AC-3 is about 100, but "only" $79 in the US.
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Old 12th October 2015
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Re: External power EM-1 and EM-5

Well I have used the external battery for a few gigs. It works. The battery sits comfortably in a left hand pocket.
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Old 13th October 2015
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Re: External power EM-1 and EM-5

Chris,

Could you post images of the set up please - sounds interesting.

Regards

Paul
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Old 14th October 2015
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Re: External power EM-1 and EM-5

Okay will try find time this weekend
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Old 16th October 2015
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Re: External power EM-1 and EM-5



The ExPro AC-1 was the only way I could get the connector for the Olympus

It is something Olympus could consider, external battery power
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Re: External power EM-1 and EM-5

Quote:
Originally Posted by crimbo View Post
I know Olympus sell the AC-3 but an AC-1 works
http://www.exprodirect.com/ex-pro-ol...y-adapter.html
It has that funny connector that you cannot seem to get anywhere else

Am I reading that correctly, that the AC-1 for earlier DSLRs, would work OK on the OM1 EM5 mk2 with power grip? And that would enable a much cheaper Oly AC-1/third party version to be used in lieu of a far more expensive Oly AC-3 where no cheap third party versions are available.
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Old 3 Weeks Ago
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Re: External power EM-1 and EM-5

Quote:
Originally Posted by DavidB View Post
Am I reading that correctly, that the AC-1 for earlier DSLRs, would work OK on the OM1 EM5 mk2 with power grip? And that would enable a much cheaper Oly AC-1/third party version to be used in lieu of a far more expensive Oly AC-3 where no cheap third party versions are available.

Bump.


Anybody know the answer?
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Re: External power EM-1 and EM-5

The 1.7A version of the AC-1 will not deliver enough current for the E-M5. The latest EXPRO AC-1 is rated at 2.5A and is close enough to the 3A rating of the official Olympus AC-3. The AC-5 is a 5A rating I believe.
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