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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras
Thread started 24 Aug 2016 (Wednesday) 21:29
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Canon 5D Mark IV -- Time to Discuss!

 
thc1979
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Mar 23, 2017 00:55 |  #4801

LJ3Jim wrote in post #18308309 (external link)
It will become normal after a couple of battery charges. My 5D4 and 1DX2 did the same thing, but battery life is now excellent in both. I don't know why the cameras initially had high battery drain.

I have always noticed this with new cameras, and always put it down to the camera getting played with more when it's new.


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hqqns
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I've seen it. It's rubbish.
Mar 23, 2017 01:04 |  #4802

It's scientific fact that li-ion batteries need a few cycles to reach max capacity. That and the playing with new toys a lot as you say combines to having a rubbish battery life to begin with.


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drisley
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Mar 23, 2017 01:09 as a reply to post 18308309 |  #4803

Ok good to hear! I was actually googling "Lithium batteries better with use" because I thought maybe that was the case.
Nice setup you have there!


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dave_bass5
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London, centre of the universe
Mar 23, 2017 10:22 |  #4804

gabebalazs wrote in post #18264506 (external link)
Correct, I don't think you can. I presume they consider 7fps too low to actually be worth adjusting (besides High and Low). The 5DIII did not have that either.

I guess you could call silent shooting mode another way of slowing the shutter down. Same as on the MKIII.


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jonneymendoza
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Mar 23, 2017 11:23 |  #4805

tough crowd. no one here likes video :(


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John ­ Sheehy
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Mar 23, 2017 11:42 |  #4806

sipowicz wrote in post #18308016 (external link)
Anybody know how to disable the sleep mode? Took a quick glance at the manual but did not find it.

I am shooting tethered a lot and if I put the camera down to talk to the client or review images for a while, I think the camera goes on power save mode and loses connection with C1. It's super annoying to get it connected again in the middle of the session and takes a few tries to get it back to where it was.

Wouldn't it be nice if the cameras simply had a connector for an external power source, and did not sleep or turn off when it was powered. You wouldn't have to worry about changing settings and changing them back again to avoid draining the battery when not power-tethered.

This could also be implemented in battery-shaped external power connectors that go into the battery chamber, by having an extra connector that is there only for external power. No settings; just plug and continuous play.




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mike_d
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Mar 23, 2017 11:58 |  #4807

John Sheehy wrote in post #18308699 (external link)
Wouldn't it be nice if the cameras simply had a connector for an external power source, and did not sleep or turn off when it was powered. You wouldn't have to worry about changing settings and changing them back again to avoid draining the battery when not power-tethered.

This could also be implemented in battery-shaped external power connectors that go into the battery chamber, by having an extra connector that is there only for external power. No settings; just plug and continuous play.

You wouldn't even need another connector. The camera can already get information from the battery such as serial number. The external power source would just need a bit set that says "I'm an A/C adapter" and the camera could be configured to never sleep in that case. Just like you can tell a laptop to sleep in 15 minutes on battery or never on A/C.




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John ­ Sheehy
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Mar 23, 2017 12:22 |  #4808

mike_d wrote in post #18308710 (external link)
You wouldn't even need another connector. The camera can already get information from the battery such as serial number. The external power source would just need a bit set that says "I'm an A/C adapter" and the camera could be configured to never sleep in that case. Just like you can tell a laptop to sleep in 15 minutes on battery or never on A/C.

That's a better approach, as it could be done with just a firmware change, assuming that the already-existing external power supplies have serial numbers or model numbers in their faux-batteries; if not, the adapters need to be updated, too, or a setting might be needed, to keep the camera awake if the battery does not have any identification.

The manufacturers could do a lot more in that whole department of recognizing attachments by model number or serial number, and making operation choices based on them, such as automatic f-number and shutter speed value ranges, based on specific lenses, instead of going into menus when you change lenses.




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CyberDyneSystems
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Mar 23, 2017 12:49 |  #4809

drisley wrote in post #18308251 (external link)
Just got mine and I'm surprised how fast the battery drains vs my 10 yo 1D MkIII. I can see it drop 10% in the past 30 mins without really using it.
I see the WIFI lit up in the top window, but have it disabled, I THINK, in the menu. I have Wi-Fi/NFC set to Disable. Am I missing something?


Despite science showing otherwise, the batteries appear to all get better after a few uses with this body. No it will never come close to the 1D3 though.


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drisley
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Mar 29, 2017 02:24 as a reply to CyberDyneSystems's post |  #4810

Should I drain it completely before charging again the first few times? I know it doesn't have a memory effect on Li-Ion but wonder if that might expedite the work-in period


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mike_d
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Mar 29, 2017 09:38 |  #4811

drisley wrote in post #18313804 (external link)
Should I drain it completely before charging again the first few times? I know it doesn't have a memory effect on Li-Ion but wonder if that might expedite the work-in period

Maybe take it down to 20% or so, but avoid running lithium batteries down to zero.




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hqqns
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I've seen it. It's rubbish.
Mar 29, 2017 18:08 |  #4812

mike_d wrote in post #18313995 (external link)
Maybe take it down to 20% or so, but avoid running lithium batteries down to zero.

FYI The electronics that run Li-ion don't let you ever get to 0 or else they may burst in flames. So the zero you see in a camera/laptop/mobile is not the real zero charge.


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digital ­ paradise
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Mar 29, 2017 19:09 |  #4813

Has anyone mentioned this?

Reports relating to a possible service job for the 5D Mark IV are the result of the heat sinks on current units not performing well in some environments when used with the newer firmware. This is because of the increased processing load from the enlarged video sampling area. Newer units will ship with an improved heat sink while existing 5D Mark IV units can be retrofitted. Pricing is unconfirmed for that servicing.

Read more: http://www.canonrumors​.com ...pdate-more/#ixzz4clNMlcI0 (external link)


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smythie
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Mar 30, 2017 03:57 |  #4814

Unconfirmed? Why would an owner have to pay for their design error?


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digital ­ paradise
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Mar 30, 2017 05:26 |  #4815

smythie wrote in post #18314660 (external link)
Unconfirmed? Why would an owner have to pay for their design error?

I'd agree to that.


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