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Andrew Reid

Panasonic GH5 - all is revealed!

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15 hours ago, hoodlum said:

Apparently a major firmware update is coming which would also suggest the GH6 is not coming soon.

https://www.43rumors.com/panasonic-will-soon-launch-a-new-major-firmware-update-for-the-gh5-gh5s-g9-cameras/

 

That’s exciting.  Hopefully they’ve been scouting the various forums and looking for little annoyances that they can fix.

Panasonic if you are reading this, PLEASE PLEASE PLEASE make the aspect ratio guidelines REALLY REALLY obvious, at the moment they’re practically invisible and I forget that i’m meant to be framing inside them.  Even better would be blanking out the parts that are out of frame.

Even better than that would be to just shoot that aspect ratio - eg 2.35:1 and have the output files in that resolution but still with the full output bitrate so we’re not throwing data away by cropping in post!

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Can someone explain to me whats going on? 

I shot this with GH5 + Sigma 18-35 on a Viltrox + ND filter. I am doing VFR 4k60fps straight to 24 fps in-camera recording. The file is just downsampled to 1080p in a link below. No editing, no grading, as it is. Where the hell is this vertical tearing coming from on especially seen on her tshirt white letters? And how to avoid that nasty shit?

https://drive.google.com/open?id=1ulqe4H8JIJ28O9D20NRgEdCFpeI1yYL

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6 hours ago, kye said:

.. looking for little annoyances that they can fix.

Hope Panasonic gives us some variable frame rate options for anamorphic shooting..

Maybe  also some higher frame rate 4K options with cropped readout al la P4K.

The possibility of better mapping of the V-Log L curve would also be appreciated :)

@Amazeballs on VLC player I'm not seeing any tearing here.  

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I do see quite a subtle pattern looking closer.. Was looking at the video projected and it wasn't that noticeable (hence the reply) the addition of some grain has helped when I've seen this in the past.. and lowering the local contrast would also help with the white and blue verticals.

The Tiffen ultra contrast filters help but that direction is quite subjective.

Maybe Panasonic can fix it with a firmware update..? ?

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How about this for the GH5S:

1. ProRes RAW or BRAW via HDMI to external recorder ?

2. Internal C4K 60p 10-bit 150Mbps IPB

3. Internal 10-bit or 12-bit uncompressed cDNG 1080p for shits and giggles. ?

4. Ability to have custom LUT .VLT loaded for HLG profiles

5. Linear focus and custom focus throw support for 10-25 f/1.7 when manual clutch mode

6. That nice big red recording indicator box that you have on the S1H.

12 hours ago, matthere said:

The possibility of better mapping of the V-Log L curve would also be appreciated

Would be nice. Highly unlikely. HLG kinda does it now anyway.

19 hours ago, kye said:

PLEASE PLEASE PLEASE make the aspect ratio guidelines REALLY REALLY obvious

I second this.

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Does anyone have any hints on nailing focus on manual lenses when filming yourself?

For example, I want to film a bunch of tests of myself (like the lens tests always have a model in them) but when the lenses are wide open I can't work out how to check critical focus.

I've tried the app, but found that it doesn't have enough resolution to tell what's in focus, I can't setup something at the same distance and pre-focus because if DoF is only a cm or two then I can't make sure my eyes are exactly that distance.  The only couple of thoughts I've had is either to hook up the HDMI out to a huge TV that I can see well enough, or to buy a telescope so that I can see the flip screen well enough from where I'm sitting.

Help?

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4 hours ago, kye said:

Does anyone have any hints on nailing focus on manual lenses when filming yourself?

For example, I want to film a bunch of tests of myself (like the lens tests always have a model in them) but when the lenses are wide open I can't work out how to check critical focus.

I've tried the app, but found that it doesn't have enough resolution to tell what's in focus, I can't setup something at the same distance and pre-focus because if DoF is only a cm or two then I can't make sure my eyes are exactly that distance.  The only couple of thoughts I've had is either to hook up the HDMI out to a huge TV that I can see well enough, or to buy a telescope so that I can see the flip screen well enough from where I'm sitting.

Help?

Hi kye. With a shallow depth of field, it can be difficult to pull focus on that little screen, even when you are standing next to the camera. I encourage you to get someone to help you. Short of that, have you tried pulling focus with focus peaking on and the screen zoom? You may be able to see that from a distance.

Also, if you attach a larger monitor or 4k TV to your camera, that will certainly help. You can see a 7" monitor with peaking from a surprising distance. Also, 25' HDMI cables are inexpensive (monoprice), so you can get your monitor close to you. I regularly attach external monitors to cameras when I use them to help make sure that focus is correct. It is much easier to see if things are in focus on my 7" Atomos than on the tiny 3" screen on the GH5. This is a problem even on cameras with larger viewfinders, like the P4K/P6K.

Good luck!

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5 hours ago, kye said:

[..]

Help?

Exactly that? Get someone to help out rather than something? Sometimes the obvious solution isn't necessarily all that technical by nature. A family member, friend, neighbour surely has a moment of their time to help you out if you'd ask. Of course you can deploy other solutions, but indeed they require one to be a little more inventive and are probably quite a bit more cumbersome than sourcing someone to play camera operator for a bit.

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Hahaha..  thanks for that...  umm.... useful... advice!

I've got about the same likelihood of getting my wife to pull focus or to appear in the tests as to get my teenage kids to be involved in any way whatsoever, but oh well!

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2 hours ago, kye said:

Hahaha..  thanks for that...  umm.... useful... advice!

I've got about the same likelihood of getting my wife to pull focus or to appear in the tests as to get my teenage kids to be involved in any way whatsoever, but oh well!

I feel your pain.

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On 11/2/2019 at 11:12 AM, Amazeballs said:

Can someone explain to me whats going on? 

I shot this with GH5 + Sigma 18-35 on a Viltrox + ND filter. I am doing VFR 4k60fps straight to 24 fps in-camera recording. The file is just downsampled to 1080p in a link below. No editing, no grading, as it is. Where the hell is this vertical tearing coming from on especially seen on her tshirt white letters? And how to avoid that nasty shit?

https://drive.google.com/open?id=1ulqe4H8JIJ28O9D20NRgEdCFpeI1yYL

IMO it comes from going 60->24 which isn't a simple .5 speed conversion. but rather .4 which means some frames are being played slower and some longer (even if just for a fraction). I might be completely wrong though so you better test it out by going 60->30 or 48->24

 

On 11/3/2019 at 9:12 AM, kye said:

Does anyone have any hints on nailing focus on manual lenses when filming yourself?

For example, I want to film a bunch of tests of myself (like the lens tests always have a model in them) but when the lenses are wide open I can't work out how to check critical focus.

I've tried the app, but found that it doesn't have enough resolution to tell what's in focus, I can't setup something at the same distance and pre-focus because if DoF is only a cm or two then I can't make sure my eyes are exactly that distance.  The only couple of thoughts I've had is either to hook up the HDMI out to a huge TV that I can see well enough, or to buy a telescope so that I can see the flip screen well enough from where I'm sitting.

Help?

I sometimes shoot myself at f/1.2 and the app with peaking and focus zoom is enough to get it in focus. 

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Damn, maybe ProRaw in the next update ?

The near/far AF limiter looks very handy shooting on a gimbal or wildlife-telephoto-single-subject shooting; same with the focus peaking in AF.

Ive found the AI tracking AF performance to be inferior to just single point and using the joystick. Maybe that has changed.

They brought the G9 closer to the GH5 which is kind of a puzzling move ?. They seem to be unifying the entire line to do 10-bit 4:2:2 video, which is very nice to see from a camera company but further blurs the line for people who don’t know which camera to get. Maybe they do indeed have something to say about a GH6 sooner than later. Maybe spring 2020.

Anyway, this is why I love Panasonic cameras. They are one of the few companies that adds value via firmware update.

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