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Ultimate Exposure Guide: Getting Low Noise Video with HLG & S-Log2
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- Опубликовано: 15 авг 2024
- Complete guide to shooting & grading video for the lowest noise possible. Exposure tools (false color, waveforms & zebras), picture profile comparisons, & camera tips.
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Complete guide to shooting & grading video for the lowest noise possible. Exposure tools (false color, waveforms & zebras), picture profile comparisons, & camera tips.
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Table of Contents:
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0:00 - The Problem...
1:04 - A Word from Today's Sponsor (Storyblocks)
1:28 - The Test Setup
2:04 - How to Expose to the Middle
2:22 - How to Use Zebras, False Color, & Waveforms
3:52 - Why Underexposing HLG is Bad
4:50 - How to Correctly Overexpose HLG
7:50 - The Risks of ETTR (Exposing to the Right)
9:36 - Expose for the Subject!
11:25 - Exposing HLG for Different Skin Types
12:12 - Using Zebras as a Meter
12:53 - HLG Skin Exposure Level Cheat Sheet
13:18 - Differences Between the HLG Versions
13:32 - How Detail & Crispening Affect Noise
15:05 - Why S-Log2 Has the Best Low Noise Potential
15:37 - How to Expose S-Log2 to the Middle
15:54 - S-Log2 Recommends 32% Middle Grey (Don't Do This!)
17:37 - How Far Can You Overexpose S-Log2?
19:08 - Ideal S-Log2 Overexposure
19:59 - S-Log2 Skin Exposure Level Cheat Sheet
20:13 - Comparing the Cine Gammas for Overexposure Potential
21:58 - Quick Tip about Zebras on Sony Cameras
24:56 - Why Cine4 Is Best for Noise Suppression
25:29 - Evaluating the Movie Gamma a.k.a. PP Off
27:02 - Comparing the Samples in Resolve
27:15 - Basic Grading Tips for HLG with Colorcheckers
27:20 - How to Correct an Image Using Waveforms
30:01 - Comparing Underexposed HLG to Middle Exposure
30:19 - Lowering Noise in Post with Basic Corrections
31:01 - HLG Noise Comparison (Under vs Middle vs Over)
31:12 - Underexposed S-Log2 vs Underexposed HLG
31:23 - S-Log2 Noise Comparison (32% vs Middle vs Overexposed)
31:37 - Cine4 Low Noise Grading & Evaluation
31:58 - Cine4 vs S-Log2 Noise Comparison
32:09 - Conclusion: Never Underexpose, but Overexposure Has Diminishing Returns
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#exposure #lowlight #sonyvideo
I swear that just one video of Gerald Undone contains more useful information than a full "course" on skillshare and similar sites. And it's way more entertaining.
Not when it's a course by Gerald, I reckon
100%
I think I´ve just had a stroke. Too much data. Definitely, a must watch again with my camera at hand. Loved the video tho. Thanks Gerald!
If your brain had a LOG curve you would be able to squeeze a lot more of the highlights from this video inside it :)
I feel like I just received a graduate school education in exposure physics. I'm saying this as a compliment to the thoroughness of your presentation! I've depended on zebra bars since I moved from motion pictures to video: but I've never thought about using the zebra bar set-up menu as a means to gauge skin tones and middle gray exposure. Brillient!
Thanks, Keith! That means a lot.
I’ve always wondered if zebras displayed results AFTER picture profiles. I also learned that zebras aren’t just for clipping! Thanks Gerald. You da man!
This video is so dense with useful specific information for someone new to good videography I am just astounded and I'm pouring over it repeatedly. Thanks man!
My brain is showing that orange overheat warning right now.
same here lol
Me too omg
LOL
I'm done.Gerald Undone
I like your videos because my time isn't wasted. The intros aren't too long and interesting enough that I forget that I detest intros. Then I don't have to wait through long explanations of things everyone already knows. When the information starts, I am not getting imaptient. If anything, I have to "rewind." There's no ego, fan boying, or conclusions based on nothing. You're my new favorite video channel.
So funny... So many people told us that they switched to HLG. I tried as well and got this noise issue. I asked sony but they couldn't help me. And now u just proved, that my camera is totally fine :D. I will stick with slog2 for most of my work because it provides the highest dynamic range (actually slog3 does, but as you mentioned the 8 bit codec isn't good enough for slog 3). I also experienced that grading slog2 is a bit more flexible than cine profiles. Another reason for me to stick with it. For the future I don't want more profiles... I just want sony to improve bitrates and codecs so I can use slog3 :).
Ta daaaa. A7sIII.
Man, with the amount of knowledge you shared and knowing how much effort and work you have put into making this one video. You deserve waaayy more subscribers. RESPECT.
I watched this video about a year ago and didn't understand a thing. One year and many hours in DaVinci Resolve later, I think I'm now grasping about half of it. That's how good Gerald's videos are-packed with information and useful details. Thank you so much for all your work!
That's hilarious, but true. I feel the same way.
“Noisetown”, the travel destination that no one wants to visit!
Great video! Very informative and cleared up some questions I had about exposure
A quick recap like "for HLG/HLG3, I would recommend you set your zebras to 95%; for Cine4 xx% etc.." would have been the cherry on top but none of the less, amazing job as usual. Thanks Gerald!
Really great content! A lot of other RUclipsrs have been recommending to set the zebras to 107+ for slog2, when Sony says its 106 and you recommend dropping it down to 103 as a buffer. Thanks for the more detailed insight!
This video became my exposure Bible for my Sony a6400 using S-Log2 and HLG Profile. When I 1st watched, it all sounded a foreign language two days ago. After I have done intense research, I followed everything mentioned in the video. I finally got the result I am looking for from the camera monitor. I always appreciated people who go specific technical numbers and show us the results after applying these parameters. Thanks so much for taking the time explaining this topic so well. I think that anyone who is new to videography must watch and fully understand every single details in this video!
Thing about that you cannot expose for two different exposures is such a basic. But never heard anyone talking about it. Explanations are so legit!
Like others said, another great vid! My favorite buttons when watching your vids is the pause and back 10 seconds button! You talk fast and accurate! It takes us mortals a while to absorb it all. 😁👍
🤣👍🙏
Excellent job!!, now I understand why we have to overexpose, how much and the trade-offs. Thank you very much!
Respect! You talked consistently at a quick pace for 30 minutes straight. Or it totally seemed like you communicated all that info in one take. I'm glad you put in the blooper at the end.
Gerald's videos are like the homework assignments that you're actually interested in
I don't understand how you only have 83k subscribers. The information you provide is far and beyond what anyone else does!
Just watched this for the second time and my mind went *POP*! ETTR made sense and all, but as soon as you lit the chart with the sky in the background, I finally got what it means to expose and also light all of your subjects. THANK YOU, GERALD UNDONE, YOU ARE THE MAN!
What I figured from this video (great video btw) is that I would like to do this:
- Cine4 for indoor scenes (poor lighting)
- HLG for either indoor with great lighting or outdoor at the end of golden hour when stuff starts to catch shade
- Slog2 for mid-day to golden hour when the sky is really bright
-> Also to make sure I record a clip of a color checker card after each switch to match in post.
What do you guys think of this workflow? Of course we're talking Run and Gun -ish with limited time to prep.
Hi, I'm Gerald Undone and I'm still waiting for the shampoo commercial offer
It's all about that conditioner brah
Hahahaha! Seriously though this should have like a million plus views. This is Gold he is giving us.
I was really frustrated about shooting properly with different picture profile cuz i don't have an external monitor yet to use false color , this video is way dense with informations and your go to if you want to fully understand properly shooting , Thanks a lot Gerald really appreciate the effort you're putting
Man, do you know how many videos I had to watch to hear WHY people overexpose? A lot. This is such a valuable video.
Gerald you are really crazy. I can only imagine how much time you spent into research and shooting, preparation, editing and putting pieces together. Bravo! Your input is so much more helpful in real life than the knowledge provided in any college in filmmaking.
Great info here Mr Undone, as usual. Just a thought that I recalled from my film days of long ago, you don’t always get this done with the camera settings and something I’ve not seen in the thousands of hours of camera vids I’ve poured over more recently; if you are indoors and are dealing with a high dynamic range situation that you can’t avoid in the frame by repositioning, then a simple black net on the natural light source will do it.
You set up a c-stand or use clamps if there is something handy to clip to and drop a black mesh over the outside of the window, effectively dropping your external daylight levels by however many stops as you want. If you only need a little then single mesh - if it’s really bright outside and you’re not lighting your subject inside then you double or triple it for more stops reduction in your background. This is a simp,e way to balance your shot without having to pull out a massive fixture and melt your talent down inside to balance exposure. You cannot see the black mesh unless you have doubled or tripled it and pull focus to the window and even then it’s pretty subtle.
Great to know all the stuff you are discussing here to get the best performance out of the camera for sure, but sometimes there are a few simple tricks that can make your life a whole lot simpler and keep the amount of lighting gear you have to take off the truck to a minimum. Cheers.
Good sir we fear that u may not be human, but we care not because u are one of the most valuable assets to videograpghy community bar none. Huge thanks for your tutorials, please never stop.
Gerald, you have one of the most intelligent and informative channels here on RUclips. The amount of work you put into your content makes it stand out immediatelly crowd. Thank you so much for all the effort, keep up the good work!
Still useful in 2022 for a7c. Thank you Gerald.
Gerald, this is literally the best guide I've seen on exposing and using HLG. You've literally made my life that much easier to expose in ANY situation. BRAVO! (I tested his specs in my backyard and it was confirmed within seconds.)
This is the stuff I often do to figure these things out but I don't go to the same distance. I'll probably come back to this video for many reasons in the future. Great stuff.
Thanks for the super quality content on your channel, Gerald, for always staying professional and up to the point while becoming more and more popular and recognized! Super stuff, keep getting undone this way 👍😀
I would LOVE such a deep dive into GH5/GH5s V-Log L / HLG too, but this was a pleasure to watch and learn even for a Panasonic user. Thanks Gerald!
you're amazing boy I just can't describe how much I'm learning from you! You have no idea how much your content is rich I just bought a new notebook to write down notes, much love and appreciation from Tunisia ♥
Thank you so much! That's really great to hear.
I feel guilty watching this content for free. This is so good man. So much to learn here!
Wow, after watching countless videos on the topic, finally a great, detailed comparison! Seriously, most other people mess up this topic or forget to consider important parts! Thank you for clearing that up!
I come back to this video periodically for a refresher. It's so good! Taking notes this time.
Well. I didn’t think i wanted to watch for 33 min until i got started lol.
Information is beautiful. Thank you for another super in depth video!!
🤓🙏💜
There is no other channel makes videos like Gerald Undone!!!🙏🏼💯What a great information to learn🙏🏼
10:26 I take this to a new level of amateur in my S1H vs GH5S Log comparison coming up lol. Shadows were brought to a place they never thought they would be allowed :)
That sounds glorious.
Gerald Undone hey G! I just bought an atomos ninja five. My question is do you match your zebra settings on your ninja to show the same std range and lower limit as your sony camera zebras?
OPEN WITH "TODAY I WILL EXPOSE HUE"
It Usually Takes Me 100 Videos Back To Back Before The Voice Inside My Head Tells Me To Subscribe.
This Video Finally Made Me Subscribe.
I’m sick of only being able to subscribe once. Every time I watch your new video I want to hit the sub button and find I already did that.
Best video on RUclips haha I dont know how many times I watched this. Please keep doing more of these
I just picked up the Sony A7iii. So, I knew I had to see if you had a Sony video I could learn from. Sure enough, here it is. Many thanks for the hard work you put into this.
I really enjoy when you talk about pp and exposing for hlg or slog but man, I gotta watch your videos like 3 times to understand and apply 😂
You don’t just make videos give a master class every time ! Let’s get undone
$1,000 worth of material right here. Excellent information and in depth testing. I could never get SLog to work for me because of the gross noise I would get. I've been under exposing ALL along like a dummy.
Helpfful info and mind blown detail video as always. One of my favorites on getting more technical info from the RUclips creator community. Thank You!
wow.. my head exploded - so much knowledge. ETTR was something I heard about long time ago but now I understand it a bit better. I still struggle to understand this completely. Maybe I have to watch this a 2nd and 3rd time. It would be great to see the knowledge again compact in a new video but with less comparisons but more practicle way how to approach a shooting (I bet you did that already way too often). I guess one really needs this color chart... but they're so expensive...
The most comprehensive test on RUclips ever!
This guy! I mean, THIS GUY!
THE best channel for camera/video technical knowledge on YT.
PS As a G5 owner, I am going to bite the bullet, and get the V-Log add-on. Would you say that there is a rough equivalent between dealing with that particular gamut, and any of the Sony ones mentioned here? So I could use those settings as a good starting point? Or are there too many differences to make a valid comparison?
Cheers, from France, BTW.
Hey! Thanks, Tim. Log is comparable in the sense of how it deals with highlights and having that headroom. The main difference is the clipping point. V-Log is lower than S-Log. And it depend on V-Log vs V-Log L. They are under 100%. So just keep that in mind.
#1 on RUclips 👍 I am speechless.
I can imagine the effort in doing this video and how good u r to do all that for free.
I wish to see your channel hitting the 10 million subs very soon.
thank you.
What the hell is this video. Tips, real knowledge and good insights, jesus christ this has tremendous value. Thanks a lot man, great videos.
Wow. Blindsided me with this whopper! Hats off to you, sir!! I'm still learning to expose my A7III correctly, and have been sticking with Cine2 and Paul Leeming's 601 LUT.
Cheers! I hope this is helpful. 😃
Fine work! I use HLG for darker environments and go a half to 1 stop over, and use SLOG-2 for bright scenes, sky/sun background and go 2 stops over and it brings back the details when reducing that it post. Thank you Professor!
Mate, you are making my life so much easier! Trying to bring my vlogging up a notch.
You ARE INSANE! You talk WAY too fast but you have the best background and explanations I have seen on the subject. I was getting noise on my camera and now I not only understand why but how to fix it. Stay crazy! We all need you.
As always one of your videos gives me more useful information than a year's worth on other RUclips channels. My deepest appreciation for sharing your knowledge sir!
Best exposure video ever. Greetings from Germany!
Solid video Gerald. Thanks for this. I've been trying to make sense of how to expose for the different color profiles. The usual advice is "Expose by two stops, expose by one stop, don't use slog". This video took away alot of the mystery and made it an approachable subject. Looking forward to running my own tests too and experimenting for myself. Thanks again!
Thank you! Thanks for all the time you’ve taken to make this and all your videos! I, like most others, am always looking to learn more and fine tune my skills, get a better understanding of all aspects of my work, and your videos really do help me get a good grasp on areas I’m looming to grow in. I’m definitely going to watch this video again a few times and pause and play with my camera as I watch.
Thank you very much! I really appreciate that. 😃🙏
You are on top of your game, Gerald.
Great, now I don't have to try and see it for myself. You saved me a lot of time. Thanks, you are a great RUclipsr.
this has got to be the most informative video on this subject. Must have taken ages to put this video out! top job and thanks for the bucket load of info!!!! the tip about zebras for skin tones is top class!
Thanks so much! Appreciate it.
"The Crispening" sounds like a Stephen King book. Thank you for the detail you always deliver. I had to pause the video halfway to give my brain a timeout before the crispening occurred.
next intro: "Hi I'm Gerald Undone and I actually talk quite slow but speed everything up in post."
That's funny! When I first started watching Gerald, I actually thought that was what he did. 😁😁😁
I watch in 0.75 speed
I usually watch EVERYTHING on youtube at 1.5-2x speed (makes it feel like these youtubers are spitting rap at me & I love hiphop).
Gerald is at a .75x-1.5x range for me... plus a couple rewinds still and he's the only one 🙃.
I will not lie that I would be reeealy happy if I see another Gerald Undone version of that same video - but for the Fuji X-T3. :)
"Gerald Undone" is the ultimate information compression codec
I kind of just think everyone should just buy the Leeming LUT pro, expose to the right, apply lut then apply a creative LUT and you’ll basically be done. I’ve tried this and it’s amazing how quickly the Leeming LUT corrects the flat washed out SLOG2 that I thought I had screwed up the exposure on but was basically perfect 😂
Once again, another exceptional video!! Really valuable information here. Thanks Gerald for your hard work! 🤘🏼🤘🏼🤘🏼
Magic Lantern Raw vs. Blackmagic Raw!!!
2012 vs. 2019!
Magic Lantern proved that Canon is a shady company, exploiting it's customers and manipulating them into buying their more expensive cameras.
I’m always trying to learn more about videography and I stumbled into new territory. This new territory was scary until you explained it very well. I knew hardly anything about gamma and why slog was so different from cine. This helps clarify things much more. Teach me more sensei!!
I can't thank you enough for your video. You're so technical which makes all your content worth so much!
Yes! I’ve been working on issues for SLog2 and HLG2. You read my mind! Thanks man!
Wow, that had to be the best instruction on exposure I've ever seen.
Man, you’re just cranking out the good stuff.
OMG You just made the Bible of Sony Exposure! 👏 Thanks!
Good lord what would we do without Gerald undone lol amazing
I am still recovering from all the information I have just ingested. Excuse me while I go watch some baby shark to even things out.
Very complex topic for the every day shooter, but very well explained. I have to see the video more than one time because of the compressed content, but that is like reading a science book more than once to not only understand the topics, but use the facts in reality. Thank You. Hopefully it works also with other cams than only Sony.
I know Sony camera are very popular, but we need this video for GH5 cameras👊🏽👊🏽👊🏽😅 Great video💪🏽💪🏽
Thanks Gerald! Just somehow came across this gem and found it quite helpful.
Great brain dump of information. You're really good at narrating and makes it easy for the viewer to keep up while maintaining such a fast pace.
This was probably the best video I’ve seen of yours. Very helpful in many ways.
Gerald, you are simply a genius.
Great video Gerald. I keep coming back to this gem!
This man is sharing such good knowledge! It's crazy
Gerald Undone just leveled up.
Wow… This was great and too complicated :) Thanks for reminding me to watch some basics before this one 😁
Man! You are a hero! Thank you so much for this incredible video! Every 10 seconds I learned something new!
no doubt the video is dense but maaan hee makes such a good flow and never let us distract from it
Oh wow I'm loving this. Just got my inferno so still got a lot of learning to do. I've been playing a lot using a variable nd against zebras and exposure just now but your methods helped a lot as always 😊
Your brain is a knowledge vault. And thank you for sharing this. I always learn so much from you.
Please make a video on how to set exposure properly for low-light video and which gamma/gamuts to use for it. Your channel is awesome!
Just what I was looking for, thanks Gerald keep up the good work!!
[...]
He wiped out your pest
Got skills and showed us some tests
He’s a friend of humanity
So give him the rest
That’s my epic tale
A champion prevailed
Defeated the villain
Now pour him some ale
Toss a coin to your teacher
O’ Valley of Plenty
O’ Valley of Plenty
Seriously, your video is gold and now, for this was most helpful and valuable to me,
I declare you one of my fellow patreon creators! ✌
Ha. Love this!
You should do a guide like this for as many of the main logs as possible in one video. I'd go to it everytime I hire a another brand. Thanks for your knowledge.
Love this. I’ve always been taught to almost be afraid of a higher iso. So I just got into Sony and shot a comedy night in a bar (so it was dark) in hlg, and under exposed. So I’m trying to find my way through it and it’s definitely the last time I’m making that mistake.
You’ve helped me change the game on set. Thanks man.