4K 60p Panasonic GH5 thread - Page 10 - AVS Forum | Home Theater Discussions And Reviews
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post #271 of 1280 Old 03-31-2017, 03:34 AM
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Originally Posted by Tom Roper View Post
Not filling the 10 bit bucket is for compatibility cutting with Varicam log footage which may itself not entirely use all the bits either. Sony S-Log3 accommodates 16 f-stops but the sensor in my F55 is only 14, so it only writes to 923. S-Log2 does fill to 1023 and could arguably be a better choice than S-Log3 for HDR but that's a separate topic. But the GH5 gradient steps will still be no worse than Varicam, it's just that as you said earlier the camera itself has a lower dynamic range so it doesn't have as many steps to fill, doesn't write past 545 apparently. For HDR, I think the lower dynamic range is more disappointing than not using all the bits in Vlog, but that's what you pay for and what you get from a true cinema cam like Varicam35 or LT. The DR that I've seen from the GH5 seems unremarkable but the feature set is good value.

My GH5 shipped yesterday, I've got tracking number. Now I have to buy a lens and memory because I will have nothing to shoot with when it arrives.
Yeah, shooting with a body only and no memory card is not the best way to go.

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Kitted and outfitted, 12-60 f2.8 leica, 62mm 0.9ND filter, SDXC 3 64GB and VLog-L upgrade.
Much better approach.
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post #272 of 1280 Old 03-31-2017, 08:32 AM
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Kitted and outfitted, 12-60 f2.8 leica, 62mm 0.9ND filter, SDXC 3 64GB and VLog-L upgrade.
Now I'm distraught with envy!
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post #273 of 1280 Old 03-31-2017, 09:08 AM
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Originally Posted by Tom Roper View Post
Not filling the 10 bit bucket is for compatibility cutting with Varicam log footage which may itself not entirely use all the bits either. Sony S-Log3 accommodates 16 f-stops but the sensor in my F55 is only 14, so it only writes to 923.
Considering that 8 bits delivers only 5 stops without tricks (kinda-sorta 8 stops with gamma curve tricks). So it seems to me that ANY decent modern sensor should be able to fill 1024 values.
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post #274 of 1280 Old 03-31-2017, 10:27 AM
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So as is almost always the case when I get a new camera, it's raining. But in comparing the GH5 to my RX10iii & G85 indoors, it's immediately noticeable how much better both low light and AF are. Also, doing a pan in 4K30p on either the RX10iii or G85, compared to the same pan on the GH5 in 4K60, is dramatic. No stuttering, just buttery smooth motion. Overall IQ is just beautiful.

VF is fantastic, ergonomics are great and the IBIS even seems a bit better than the G85, but I suspect that's due to the somewhat larger size of the GH5. It's always easier to hold a larger camera steady.

So far so great!
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post #275 of 1280 Old 03-31-2017, 11:51 AM - Thread Starter
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My FedEx Ground tracking shows delivery on Thursday the 6th from LA so I hope this rain clears up by then. The kids are off for Spring break from April 8th to Easter Sunday the 16th so I will be shooting 4K 60p and slowing it down like I did back in 2010 with the 1080p60 videos from the TM700 along with the 1080p 180fps VFR setting.
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post #276 of 1280 Old 03-31-2017, 12:22 PM
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Also, doing a pan in 4K30p on either the RX10iii or G85, compared to the same pan on the GH5 in 4K60, is dramatic. No stuttering, just buttery smooth motion.
D'uh! But until you got your hands on 4k60, 30p did not present any issues. Was perfectly fine. Just because it was 4K. ;-)
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post #277 of 1280 Old 03-31-2017, 01:27 PM
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D'uh! But until you got your hands on 4k60, 30p did not present any issues. Was perfectly fine. Just because it was 4K. ;-)
You're late to the party, Ungermann. I already had replied to Phil who was always touting 4K60p. In case you missed it, here was my response:

"Phil, you're right. The frame doubling of my UHD TVs removed the stutter from the 30fps 4K video to give it much of the 'smoothness' of 60p. It made me feel that 4K60p was not the big deal I see it is now. Upon seeing 4K60p, I see the added temporal resolution that many talk about, that no frame doubling can duplicate."

Now with that said, I'll take 4K30p over 2K60p every day of the week.
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post #278 of 1280 Old 03-31-2017, 01:40 PM
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......So far so great!
Now I'm distraught with envy two times over! Enjoy your new camera!

Bill
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post #279 of 1280 Old 03-31-2017, 01:49 PM
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You're late to the party, Ungermann.
D'oh! (I watched a bunch of "Simpsons" yesterday).
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The frame doubling of my UHD TVs removed the stutter from the 30fps 4K video to give it much of the 'smoothness' of 60p. It made me feel that 4K60p was not the big deal I see it is now. Upon seeing 4K60p, I see the added temporal resolution that many talk about, that no frame doubling can duplicate.
A-ha!
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Now with that said, I'll take 4K30p over 2K60p every day of the week.
Um... OK.
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post #280 of 1280 Old 03-31-2017, 02:08 PM
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Now I'm distraught with envy two times over! Enjoy your new camera!

Bill
Thanks, Bill.

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D'oh! (I watched a bunch of "Simpsons" yesterday).
So that explains a lot!
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post #281 of 1280 Old 03-31-2017, 08:47 PM
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Never thought since we were wowed by Panasonic's first consumer 1080/60p camcorder (TM700) eons ago it would have taken this long to see another Panasonic's first, albeit in the higher realm of prosumer cameras. It surely has beaten the Chinese knock-off master Yi Technology to the market by at least 2 weeks to now establish the higher framerates as our new standards so we can forget about the sorry temporal shortcomings since we moved away from interlacing even more eons ago.
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post #282 of 1280 Old 03-31-2017, 09:17 PM
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Considering that 8 bits delivers only 5 stops without tricks (kinda-sorta 8 stops with gamma curve tricks). So it seems to me that ANY decent modern sensor should be able to fill 1024 values.
Yes but it's not about the sensor or the A/D. It's about compatibility with log luts. SLog3 is 16 stops. If the camera sensor is only 12-14, it's not going to fill all the bits and still be SLog3. If you have a 10 stop camera with SLog3 it will still de-lut the same with Resolve as a 14 stop camera, the step size of the shades will be the same, just not as many because there is less dynamic range.

HDR Colorist and Conversions
INTO THE CAVE OF WONDERS
Directed by MANUEL BENITO DE VALLE Produced by PEDRO PABLO FIGUEROA
Cast MANUEL ANGEL REINA, CLAUDIA GARROTE
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post #283 of 1280 Old 03-31-2017, 09:24 PM
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Can you try out panning with the V-Log L? I am having trouble with it (ghosting, banding, and other nasty stuff).
I will try, if the production version 10 bit VlogL is compatible with Resolve. On the few demos I tried it would not ingest. There is an updated Resolve version I also have not downloaded yet.

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post #284 of 1280 Old 03-31-2017, 09:30 PM
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I will try, if the production version 10 bit VlogL is compatible with Resolve. On the few demos I tried it would not ingest. There is an updated Resolve version I also have not downloaded yet.
The 10 bit footage is not compatible with Resolve (yet?). I transcode it. The 4K 8 bit footage is compatible.

But I am talking about the raw footage, without any change/grading. You can look at it in the camera screen, or play it with a bunch of media players.

Please visit the YouTube HDR (Chromecast Ultra) Channel: https://www.youtube.com/c/TheHDRChannel
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post #285 of 1280 Old 03-31-2017, 09:40 PM
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The 10 bit footage is not compatible with Resolve (yet?). I transcode it. The 4K 8 bit footage is compatible.

But I am talking about the raw footage, without any change/grading. You can look at it in the camera screen, or play it with a bunch of media players.
I will find out soon
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post #286 of 1280 Old 04-01-2017, 12:56 AM
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Quote:
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So as is almost always the case when I get a new camera, it's raining. But in comparing the GH5 to my RX10iii & G85 indoors, it's immediately noticeable how much better both low light and AF are. Also, doing a pan in 4K30p on either the RX10iii or G85, compared to the same pan on the GH5 in 4K60, is dramatic. No stuttering, just buttery smooth motion. Overall IQ is just beautiful.

VF is fantastic, ergonomics are great and the IBIS even seems a bit better than the G85, but I suspect that's due to the somewhat larger size of the GH5. It's always easier to hold a larger camera steady.

So far so great!
Ken what card are you using as i have said my HC-X1000 is fine with https://www.amazon.co.uk/SanDisk-Ext...=128gb+sd+card at 50P so i presume i will be able to use them with my GH5 when i get one at 8bit 50P.
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post #287 of 1280 Old 04-01-2017, 08:54 AM - Thread Starter
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The Sandisk UHS-I U3 SDXC cards should work in 4K 50/60p 150Mbps mode but if you get new cards get the UHS-II cards since the GH5 uses the extra pins for faster throughput.

https://www.bhphotovideo.com/c/produ...00x_uhs_2.html

I have three of the 2000x versions that I will use with my GH5 that I have been using with my GH4 and NX1 that also work great with the cheaper UHS-I U3 cards in 4K.
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post #288 of 1280 Old 04-01-2017, 09:08 AM - Thread Starter
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extend your 1 - year Limited Warranty to 3 years



https://www.adorama.com/pdfs/rebates...1w0&kbid=98220
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post #289 of 1280 Old 04-01-2017, 09:45 AM
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Well i have one of these http://www.wexphotographic.com/sandi...FSgz0wodSYkEtA but it will hold less than an hour of 50P 4k
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post #290 of 1280 Old 04-01-2017, 01:01 PM
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Ken what card are you using as i have said my HC-X1000 is fine with https://www.amazon.co.uk/SanDisk-Ext...=128gb+sd+card at 50P so i presume i will be able to use them with my GH5 when i get one at 8bit 50P.
Chris, I used the same card in the GH5 I used in the G85 & the RX10iii, a San Disk Extreme Plus like the one below. It worked fine in 4K60p.

https://www.bhphotovideo.com/c/produ..._uhs_1_u3.html
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post #291 of 1280 Old 04-01-2017, 01:41 PM - Thread Starter
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Well i have one of these http://www.wexphotographic.com/sandi...FSgz0wodSYkEtA but it will hold less than an hour of 50P 4k
Stick a 512GB V30 SDXC card in the second slot.
https://www.bhphotovideo.com/c/produ...dxc_512gb.html
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post #292 of 1280 Old 04-01-2017, 02:42 PM
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Chris, I used the same card in the GH5 I used in the G85 & the RX10iii, a San Disk Extreme Plus like the one below. It worked fine in 4K60p.

https://www.bhphotovideo.com/c/produ..._uhs_1_u3.html
Nice to hear,i look forward to some 4K ETC tests Ken.
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post #293 of 1280 Old 04-01-2017, 03:02 PM - Thread Starter
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I bet in 2020 the GH6 will take 8K video using UHS-III SDXC cards with up to 2TB capacity.


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post #294 of 1280 Old 04-02-2017, 09:47 AM
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I thought this was an exceptionally beautiful clip from both a detail & color standpoint. I wish I had shot it.

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post #295 of 1280 Old 04-02-2017, 11:25 AM
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I thought this was an exceptionally beautiful clip from both a detail & color standpoint. I wish I had shot it.

https://www.youtube.com/watch?v=GV_KJ2MoFhw
Ken that lens costs more than the GH5 i am not clear about OMD what adapter is needed to fit MFT ,i see he had a 1.4x teleconverter. of course there are no MFT teleconverters.
Ah one like https://www.amazon.co.uk/d/Camera-Ph...fRID=760XD6SNA this i guess.

Last edited by flintyplus; 04-02-2017 at 11:40 AM.
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post #296 of 1280 Old 04-02-2017, 05:09 PM - Thread Starter
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MFT 300mm F4 & 1.4x teleconverter :
https://www.bhphotovideo.com/c/produ..._ed_300mm.html
https://www.bhphotovideo.com/c/produ...geID/accessory

I have a 300mm F4 Pentax lens that I use on my GH4 :


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This Olympus lens is an exceptional telephoto optics. 300mm x 2 x 1.4 = 840mm eqv. FoV. Sill manageable with a stick or bracing.
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post #298 of 1280 Old 04-02-2017, 05:51 PM
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Ken that lens costs more than the GH5 i am not clear about OMD what adapter is needed to fit MFT ,i see he had a 1.4x teleconverter. of course there are no MFT teleconverters.
Ah one like https://www.amazon.co.uk/d/Camera-Ph...fRID=760XD6SNA this i guess.
Chris, I don't think you necessarily needed a lens of that cost for this shot, but having the proximity to the subject is key. It does show you what the GH5 is capable of.
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post #299 of 1280 Old 04-03-2017, 12:18 AM
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I thought this was an exceptionally beautiful clip from both a detail & color standpoint. I wish I had shot it.

https://www.youtube.com/watch?v=GV_KJ2MoFhw
Soon all these birds will become extinct from being fed with plastic garbage, and all that will remain will be videos like this. 4K FTW.
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post #300 of 1280 Old 04-03-2017, 06:59 AM
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Quote:
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Chris, I don't think you necessarily needed a lens of that cost for this shot, but having the proximity to the subject is key. It does show you what the GH5 is capable of.
Ken you are correct but without doubt lenses do matter,i have put this on before
Personaly i have not acheived that quality with any camera including a GH4 ,more of his films https://www.youtube.com/channel/UC-u...3pIGQFns9Maygg
Looking forward to seeing some of your GH5 shots,there is no word on mine yet.
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