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Sony Alpha Mirrorless and DSLR
Sony Alpha a7s: Full HD Recording in XAVC and 4:2:2 UHD 4K Output via HDMI.

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Old June 15th, 2015, 03:04 AM   #1
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A7s Battery Grip

The Sony one is a bit pricey - anyone using other makes such as the one below?

Meike MK-AR7 Built-in 2.4g Wireless Control Battery: Amazon.co.uk: Camera & Photo

Pete
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Old June 23rd, 2015, 07:31 AM   #2
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Re: A7s Battery Grip

I have the Neewer version and it works flawlessly.
However, double nothing is still nothing.
And, I've tried a half dozen aftermarket batteries
all with less or only slightly longer life regardless of mAh rating.

The solution I found for unattended Video of over 3 hours
was a Neewer dummy battery with Small Rig Sony 970 battery plate
and an Odyssey 7Q+ with Indigo dummy battery plugged into a Poweradd power bank.
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Old June 23rd, 2015, 08:49 AM   #3
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Re: A7s Battery Grip

Well I ended up buying it and it seems ok - nice to go twice as long without changing battery :)
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