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GH5S Low Light Part 1 ► Camera Setup, ISO 400 vs 2500, & V-Log Grading

Photo Moment - February 23, 2018

In part 1, I show off the GH5S ISO settings, discuss the difference between auto/low/high ISO settings, compare in-studio shots of ISO 400 vs 2500, then show test shots from the blacksmith shop shot in V-Log on an Atomos Ninja Inferno in Final Cut Pro X!

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Full Transcript

This transcript is machine generated, so may not be perfect… but if you're looking for a particular portion of the show, here's a good way to find it!

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That is all that anyone needs to know about this topic. Perfect. Thank you!
🙏🏻
SO far in CINI D I get the cleanest shots at 3200 - so one above the native 2500.. V=LOG im scared to use in LOW light and from what others have told me V log isn't the best for dark as you're not trying to capture as much colour science. So I have stayed away but will test.

To be honest, I felt your black smith shots were way over saturated and didn't look as clean or "shot on a higher range camera" But I do prefer a less saturated look so maybe it's just my perception. Good video, thanks for taking time to make it.. your knowledge is good - I feel you can cut down these videos a lot and get more to the point of the content... it'll help your channel grow... most of these videos we want info fast as we are busy. Not here for comedy or a vlog :) all in all Weldon though Greetings from Melbourne
Really wish these videos were shorter/wish you put timestamp links to times where you address certain topics
I just bought a GH5S and a Smallrig and the cage doesn't completely tighten like the camera body shifts a tiny bit is this normal ??
@PhotoJoseph Gosh I sent them an email almost a week ago and have heard nothing. Do you think it might be because of the Metabones speed booster? it doesn't seem to be obstructing anything
@PhotoJoseph I put more elbow grease into it last night and used a coin for the screws and got it to fit snuggly. Thank you for your time :D
My 
GH5s when I have it set to manual ISO i.e iso 6400 and when I start filming the display shows ISO A (Auto). Why is this?
How do you get a 1250 crossover but I don't?
Mr. Joseph: Why does my GH5s on LOW dual native ISO setting end at 800 and HIGH dual native ISO setting start at 800? Your demonstration shows that you END at 1250 on LOW and START at 1250 on HIGH. What am I doing wrong? I have extended ISO menu setting set to ON.
on my GH5s , too, and I was going to ask the same question... then I did some research and found the reason . He has his camera set with 'Variable Frame Rate : ON ' .... ( 240/29.97p ) .... I did some verification : when you have 'Variable Frame Rate : ON' , whatever the value, then the ISO will have the 1250 benchmark, but if you have 'Variable Frame Rate : OFF ' then the benchmark is 800... According to the user manual, the two base sensitivities are indeed ISO 400 and 2500 .
FINALLY! Dual native ISO explained clearly and concisely! You have no idea how much doubletalk I had to sft through before I found your video. Thank you!
hey there.... I've recently experienced some horrible noise on my gh5s, i was shooting in a lite yoga studio on v log/1000 iso/96fps HD .
on inspection (not even pixel peeped) the noise was really bad ....in that i had horizontal lines appearing on the screen.
now i was sold this camera as a low light beast and am really disappointed with its performance, any suggestions???thx
forgot to mention...was shooting 2.8 12-35mm........really baffled ...help!!!
thanks ....just tried that and its fine upto 6400. its not the slow I'm looking for but atleast usable.The lines distortion at 96fps make the footage completely unusable. are panasonic aware of this? appreciate any response thx
PhotoJoseph my shutter speed at 60fps was 60 ( sorry didn’t have it set to angle )
PhotoJoseph ah that makes sense - yes I’m new to v log and just super excited to use the Gh5s having had the gh4 for years .
Haven’t got my head around the angle/speed yet ha !
Many thanks for your response
great work joseph !! Tell me ...when shooting at 96fps i get lots of noise in low light with the GH5S ....was actually hoping it wouldn't be so bad. the focus highlight thing pretty much sets the screen (red in this case) in a haze...? how can i overcome this ? also does the iso jump over after 3200? appreciate if too difficult to explain as you would have to see my screen at the time of shooting. keep up the great work!!
PhotoJoseph you know what I can’t exactly remember but was probably around the 3200 mark .... it’s just that I never saw that kind of hazy focus wash on my old faithful GH4 RIP where it picks up on the noise .... hmmm I guess it’s the balance of how far you can push the VFR in low light - many thanks for your reply and your channel is super !!
PhotoJoseph great thanks - come to Jaipur next Feb - very colourful place - I hold 3 nights of music at diggi palace where you’ll be welcome to join
PhotoJoseph cool 😎I lived there for many years and built a recording studio there for the folk artists - of you need any fixing I can help you out no sweat
Great video Joseph! I'm curious what lav microphone you are using, the audio is really clean.
Thanks Joseph. Having fun with my gh5s so far! How far do you over-expose for VLOG to optimize noise levels?
Is your mannequin doing anything this weekend? ;-)
to much talk about other product ,not enough on the camera it self inner working of the GH5S CB
many thanks for this. inter alia, i was deeply puzzled as to why i could not find 2500 ISO! now i can. do you have a suggestion for a LUT to use in Premiere Pro to grade V-Log correctly? btw, i am studying your lynda.com gh5 course - it's very helpful.
What camera do you use to shoot your episodes? Great Video with some exclusive info about the GH5S. Thanks.
Excellent description of the ISO cross-over. Nobody else has talked about that. They mostly winge about the IBIS and AF. Thanks :)
Can you suggest a card for GH5S that can record at the best video format?
Thanks a lot. Early in your video you suggested a relatively low price solution as for EF-s lenses. I am looking for an adapter that enables me to work Fully-manual with EF lenses. Any suggestions, greatly appreciated. *
How do you get the panasonic Lut?
PhotoJoseph i use Adobe and trying to get into using Davinci. Ive never really shot Vlog so im expermimenting to color grade.
Great video, thanks for the info! I've got a Lynda subscription already and went looking for your GH5 training course. I'm loving it! But! When do you think you'll have the GH5S specific additions included in the Lynda offering? I don't see them as of this comment. Thanks!
Question For A Different Show - By getting rid of IBIS the GH5S apparently removes jitters that occurs in certain situations, would using an optically stabilized lens in those same situations reintroduce the jitters?

Thanks Joseph!
Hi Joseph. Just watching now can’t wait to learn. Interesting note is the native iso points on the Gh5s is 400/2500 but for HLG and V Log are native 800/5000. Testes have also revealed that despite these iso settings. The cleanest iso so far are 320/3200 so far
Good info - any link to test at 320/3200 - just purchased GH5s looking for cleanest ISO settings? Thanks
Arnold Pollock try Crftsho guys
but first subscribe to @PhotoJoseph
Hi Mike, Photojoseph... just looking around for others thought on optimum ISO too and came across this... I just ran through a test on mine in Vlog with lens cap on, stepping through iso in auto mode and boosting curves in post at 200% to clearly see grain structure - I too see it being cleanest noise at 320, 1600, then 3200 (4000 & 5000 are only fractionally more noise but it then becomes clearly noisier above 5000). I think what might be happening is that noise reduction is making it cleaner at 1600 & 3200 so the trade off could be sharpness and dynamic range. At the said native of 800/5000 for Vlog it's perhaps the optimum balance of dynamic range and noise... so it's noisier because it's not applying NR but also provides better sharpness and dynamic range. That's my theory so far at least ;)
LOL
Hi Joseph - I thought native iso for v-log were 800 and 5000 on the GH5S? Maybe you mentioned that - if you did I missed it. Great episode by the way!
I'm surprised that the camera's manuals don't seem to mention different native ISOs for HLG and V-Log, but the spec sheet from Panasonic does
https://www.panasonic.com/uk/consumer/cameras-camcorders/lumix-g-compact-system-cameras/dc-gh5s.specs.html
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