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FORUMS General Gear Talk Changing Camera Brands 
Thread started 22 May 2017 (Monday) 00:57
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Need help picking a camera for 4K video

 
Talley
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May 26, 2017 15:54 |  #16

idkdc wrote in post #18363261 (external link)
If you need reliable autofocus in video, Nikon and Panosonic are out of the question.

Canon dominates AF in video imho with their dual pixel tech.


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rantercsr
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May 26, 2017 16:21 |  #17

Based on op's comments , doesnt seem as AF are important ...
My thoughts are a gh5 is over kill of all you need is 24fps clean high res video

Sonys a6300 (or a6500 , same thing but a6300 cheaper due to lack of a few features thar woyldnt matter for your use ) is supposed to have the best quality 4k in its class as it is downsampled from 6k

In terms of detail , better than the gh5
But about a thousamd dollars cheaper

Panasonic amd sony also has a couple of different cameras that do 4k for a couple humdred under a thousand


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Charlie
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May 26, 2017 19:39 |  #18

Talley wrote in post #18363658 (external link)
Canon dominates AF in video imho with their dual pixel tech.

while that *May be true, sony does plenty well with video AF, on top of that, sony lenses (even seemingly loud ones) are dead silent when AF'ing in video. They also offer full fledged video lenses like the ones made by fuji, and sony's very own 28-135, which is a cine lens with power zoom, AF, non extending, OSS, and parafocal.

if you dont care for a cine lenses, ordinary lenses AF wonderfully in video, and dont make the USM noise. So you have the entire collection from 16 (soon to be 12)-400mm lenses that work very well for video, regardless of price.


Sony A7rii/A7riii - FE 12-24/4 - FE 24-240 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 35-70, 100-300 - Astro Rok 14/2.8, 24/1.4 - Tamron 28-75 f2.8, 70-200 f2.8 VC

  
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Talley
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May 26, 2017 21:48 |  #19

Charlie wrote in post #18363782 (external link)
while that *May be true, sony does plenty well with video AF, on top of that, sony lenses (even seemingly loud ones) are dead silent when AF'ing in video. They also offer full fledged video lenses like the ones made by fuji, and sony's very own 28-135, which is a cine lens with power zoom, AF, non extending, OSS, and parafocal.

if you dont care for a cine lenses, ordinary lenses AF wonderfully in video, and dont make the USM noise. So you have the entire collection from 16 (soon to be 12)-400mm lenses that work very well for video, regardless of price.

We'll see...

I keep hearing ur preaching... I'm waiting on some better reviews come out.


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Charlie
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May 27, 2017 00:40 |  #20

Talley wrote in post #18363881 (external link)
We'll see...

I keep hearing ur preaching... I'm waiting on some better reviews come out.

it's not exactly a secret when it comes to video AF







you see in this second video, that doug notes the same thing I do about using USM vs Sony lenses for video, the USM isnt really meant for that thing, where sony's FBW was designed for that. I dont even have to own a Canon body to know this, I can use the metabones adapter in advance mode to give my few canon lenses native abilities.

last video, 1 minute in, you can hear the USM motor of the canon video AF:



exactly how it sounds when using the metabones + canon USM lens. Of course if I use a directional mic, I wont pick it up.


Sony A7rii/A7riii - FE 12-24/4 - FE 24-240 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 35-70, 100-300 - Astro Rok 14/2.8, 24/1.4 - Tamron 28-75 f2.8, 70-200 f2.8 VC

  
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idkdc
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May 27, 2017 04:04 |  #21

Charlie wrote in post #18363960 (external link)
it's not exactly a secret when it comes to video AF







you see in this second video, that doug notes the same thing I do about using USM vs Sony lenses for video, the USM isnt really meant for that thing, where sony's FBW was designed for that. I dont even have to own a Canon body to know this, I can use the metabones adapter in advance mode to give my few canon lenses native abilities.

last video, 1 minute in, you can hear the USM motor of the canon video AF:



exactly how it sounds when using the metabones + canon USM lens. Of course if I use a directional mic, I wont pick it up.

On a gimbal, being in focus is more important than being quiet. External audio is a standard in the industry, including wedding. Shotgun, lavaliers, xlr live feeds from mixers. Now, home video of your tykes with lower standards and less hassle, you can sacrifice focus for quietness.


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zorroa3
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Jul 10, 2017 20:31 |  #22

Sorry for the long time disappear.
After discussing with my supervisor and my co-worker, we have decided that we don't need that many frames. Resolution and sharpness are more important. The experiments can go very slow, and we can use the time lapse shooting instead of filming (1 frame per second or even less is fine).

We've tried it with the Nikon D810 (camare with highest resolution we have) and the results are ok.

Thank you very much for all your input. These can be the references when I'm buying a camera for myself.




  
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raptor3x
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Post edited 8 months ago by raptor3x.
     
Jul 28, 2017 19:27 |  #23

I would be careful of cameras that use traditional movie codecs. If you're planning on extracting instantaneous data the temporal compression of video specific codecs could cause issues for you. This is a situation where you're really better off using either a camera that can continuously shoot stills or something shooting a less sophisticated codec like MJPEG.


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Need help picking a camera for 4K video
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