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30 Hz vs 60 Hz and battery life... #6803468 06/25/17 05:29 AM
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DocHorton Offline OP
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I have an IR Mark 2 and the battery life on 60 Hz is pretty terrible. I probably get 3-4 hours max out of a set of batteries and don't really want to add the extra pound of weight for the external battery to an already very heavy set up.

Any idea if switching to 30 Hz will increase the battery life and by how much? Can you guys tell a difference when scanning and shooting running hogs on 30 Hz compared to 60 Hz?

Thanks!

Re: 30 Hz vs 60 Hz and battery life... [Re: DocHorton] #6803525 06/25/17 12:45 PM
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Double Naught Spy Offline
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Hey Doc,
3-4 hours sounds pretty normal @ 60 hz. Here is something I posted on another forum from when I was doing battery testing on the MKII back in Feb of 2016...

Quote:
Running Energizer batteries, I would get approximately 5 hours and 30 minutes per set at 30 hz (averaged time). At 60 hz, 3 hours 45 minutes without the video out feature turned on. With video out turned on, 3 hours 35 minutes.

Temperatures of the tests ranges from the 50s to the 70s during the course of each evening.


These were some limited tests where I just ran the scope on various settings until the batteries died to see if there was truly any sort of difference in battery life on different settings.

As far as telling a difference, the answer is yes, but that it isn't significant, IMHO. In the film industry, it was determined that film could run no slower than about 25 frames per second before viewers would start to see the action as jerky and so that became a standard. So at 30hz, you won't be seeing jerky motion. At 60 hz, particularly for video slow motion, you will be seeing better clarity of the image, but not through the scope as the scope doesn't do slow motion. Some people do report the image appearing a bit sharper at 60 hz, but it isn't significant.

Last edited by Double Naught Spy; 06/25/17 06:38 PM.

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Re: 30 Hz vs 60 Hz and battery life... [Re: DocHorton] #6803735 06/25/17 06:23 PM
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DocHorton Offline OP
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Exactly what I wanted to know. Thanks for the info!!

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