iPhone 15 Pro: Dynamic Range Test
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- Опубликовано: 2 окт 2023
- Testing the iPhone 15 Pro dynamic range in video when recording using the new Apple Log and ProRes codecs.
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#iphone #iphone15pro #cameratest 
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I've been waiting for someone to do this properly for a decade
Stalman commenting on a Gerald video = iPhone imaging review heaven.
Also, this was a great video and super fascinating. Now I need to buy a moment case to put on that ND filter and a Stalman LUT to convert my ProRes apple log!
Me too!!
At that point, why not just shoot with a dedicated camera, still log but smaller file yet able to produce consistent good quality of video in most lighting?
iPhone 15 pro isn’t even out that long
I just tested some shots @ 200 ISO vs 1400 ISO... the difference is HUGE.
Best practice is :
On daylight, put ND and always shoot above 800 ISO (at least) best DR is between 1200 and 1400 ISO.
On low light, just push it to 1400 no far beyond, and apply some NR in post.
Does this iso 1150 / 1200 great dynamic range work in the 13mm f2.8 as well? If not, what’s the best iso for this lens?
I think the great benefit of Apple LOG is to get rid of the excessive sharpening … especially when recording in ProRes. ProRes is great for the low compression artifacts, but the excessive sharpening looks bad from my 14 Pro Max (when viewing the resulting footage on a larger screen). It’s as though the low compression reveals the sharpening even more.
@@peter5477-kz4vj WTF are you talking about? I don’t know what Parrot Pro is, nor have I ever promoted it. I think you’re replying to the wrong person/comment. My channel isn’t monetized.
Just here for Patrick's socks
That’s a weird fetiche
I've been messing around with image tests on my 15 Pro Max since launch day and came to a very similar conclusion (unscientifically). My main goal with ProRes Log is to get past Apples image sharpening and poor color, which for SDR is easy using the official Apple Log to Linear LUT and transform that to RED color science, which looks significantly better than regular iPhone video and much better than the official 709 LUT. Though I'm mainly targeting HDR files in the end so I just use Resolves HDR managed workflow and comes out looking great. But with regards to the best ISO, I've found 2000 to be where white can be fully saturated, which for HDR is extremely important since at 55 ISO, max luminance is about 250 nits, jumps to around 600 at ~1200, then opens up to 1000 nits at 2000, which is perfect for 1000 nit HDR10. All in all I'm very impressed by both the main and telephoto cameras (the ultra wide is the worst) and love that you can capture LOG and ProRAW on every camera, even the selfie camera! Thanks for doing a scientific test, I've been waiting for you or CineD, CVP, etc. to do a real test.
How do you know the ISO to max luminance calculation? I'm assuming you're shooting at shutter of 1/48 using the main 1x camera and no ND?
@@nikilragavyes, I had it set to 1/48 on the main camera, and pointed towards clipping highlights, then looked at the HDR waveform in Resolve as I increased ISO. I don’t want to spend much time at all on grading and just want a straight transcode, so the ISO that gives the most HDR impact is important for me.
Yooo I’m so glad you did this. It’s so interesting to me. I kind of wish you could do this for all iPhones going forward and maybe even the last few iPhones to see how much it’s changed.
But I also understand it’s not worth it as much for older iPhones that don’t have log
Now we just need Apple to give us a bit more control over the settings and it’ll do in a pinch
The Black Magic camera app gives you manual control over exposure and the ability the record in different qualities of Pro Res.
@@DCuerpoJrbut it has a looooot of bugs, az least in my 15 Pro :(
@@jmarozsan it's week 1 my guy 🤣 BMD are very quick at fixing things and adding features so I expect it to get a whole lot better
@@jmarozsan Are you seeing an overexposed image in yours as well?
@@onefilmproductions yeah :(
I actually figured out the stop values using the logarithmic equation from Apple. Used it on an app I’m working on. Apple Log is a funny little beast.
What I will say is measuring the number of stops and noise is only one factor. There is noise reduction going on all the time on these phones. Even in good lighting I have seen wood grain turn to crap. The iPhone uses very aggressive noise reduction to compensate for its very dark performance sensor. Even the Canon R5 with its 8k sensor and FF struggles for sensitivity. There is no way the tiny 8k iPhone sensor can produce clean results without some noise.
It’s that temporal and spatial noise reduction that really messes up edges, fine details and even motion blur. The fine detail will suffer even if image based measurement tools detect no noise. Those 12 stops are not the same as other cameras with 12 stops. You will notice blotchy muddied details. Details that just do not hold up very well.
Apple Log is also very strange in that it uses a middle gray point of 49% and a 90% reflectance point of 68%. That’s really high for a log format. This is also something that really kills highlight detail by putting a lot more stops in the shadows. Another reason why shooting under is important. Not only does it trick the noise reduction and ISO to not go as crazy but it helps move some of the stops below middle gray into the stops above middle gray and give a better balanced image. Without it you essentially have 8 stops under and 4 stops over. It’s really more like 3.6 stops over before clipping. I think the image based test tries to see a -9 stop which is there but it’s pretty much garbage with little to no 10bit coded values left. I think realistically we are looking at more like 11 stops. That 12th stop while maybe clean from the insanely aggressive noise reduction would have no detail and very posterized.
By shooting 2 stops under we suddenly shift the stops from -6 and +5 which is much closer to the original Canon C-log. Maybe a -7 if one really wants to count that last mush stop at the bottom. This will provide much better highlights and better rolloff for rec709 or better tone mapping for HDR.
Now the trick is to actually properly expose this beast. Right now I find the best solution is %o use my Sekonic light meter and set it to ISO 64. The lights in my studio right now allow for perfect exposure on the iPhone 15 pro at 1/50th, f1.8 and ISO 64. I chose ISO 64 because the Sekonic only works in 1/3 stop increments and the next option down is ISO 50. ISO 55 is likely close enough but to make it all fit perfectly I chose ISO 64.
The current e posture tools on the BMD app are pretty much useless. The false color is a crude one size fits all that uses the same solid light gray color for both 49% and 68%. Meaning both middle gray and diffuse white are completely lost in that color. Same for the zebras that only go down to 75% meaning they cannot be used for middle gray or 90% reflectance. We basically have to just eyeball it in the app right now. Even the display we see in the app is off right now and much brighter than what’s actually recorded.
The only real two options we have is to
1. let the app 100% auto expose and hope we can throw in enough ND to force it to a usable shutter speed.
2. Go into full manual and use a light meter and dial in by white knuckling those finicky wheels trying to nail the right values.
Thanks for the info
EXACTLY what I needed , thanks a million
The one video Ive been waiting for
Well, I know what ISO I will be testing now. Thanks guys!
Thanks that was really helpful in the explanation of ISO and the misconceptions.
Very precise with the language you use and I appreciate it from both a photography and research standpoint.
much appreciation for doing these tests!
Thanks so much for this! There's so many cameras and microphones I wish I knew the dynamic range for 💚 Particularly phones, 360 cams, and action cameras.
Love this deep dive videos to geek out on numbers!
Love the table set up
As always doing the BEST work out here!! Would have been cool to see the graphs on the TV behind while you guys were talking 🙃
Another great video, G-Man! I love the tech talk show format. Could you do one giving your recommendation for the best value 3rd party case/lens/ND filter setup for photo/video shooting?
Can’t wait to test out mine!
OMG you did it. Thanks for this video. You are the best!
This channel never disappoints
I like this new format! Oh, and great information, too.
This is great stuff Gerald. I am wondering how would the values translate to the non S-LOG (or Apple-LOG 🙄) footage in the main camera app. Also, do you think in the future doing similar tests for stills? Cheers
Love this
Please do some dynamic range tests on DJI drones and action cameras. Nice work!
greet video. Would love to see one of these for dji drones. nobody test dynamic range for drones properly. Comparing the different sensors used in dji drone line-up (3 series) would be excellent consumer advice!
Thank you for your great video! Would you consider to do a dynamic range of the Pocket 3 as well?
Interesting! Thanks for sharing it. ✌️
kinda new format on your channel , cool.
Could we get this done on the newer Sony phones with all the pro control? Super interesting stuff, thanks!
This is why you are the greatest. Who else is going to do a dynamic range test for an iPhone camera. Gerald Undone 🐐🐐🐐🐐🐐🐐💯💯💯💯💯💯
i came here and expected a joking fun video about the iphone and i got a totaly nerdy video about dynamic range, iso and stuff.
i can say im not dissapointed and the nerdy just talk about stuff style of video is better than k thought.
Keep up the good work man
Please do this for the ultrawide camera as well
Yay Pat !!! Tomassssooooo
I had no idea there was so much more to the traditional triangle of aperture, iso, and shutter speed. Need to look into what “noise floor” is.
I’ve never been so early. Hi Gerald! Thx for doing an iPhone video
Thank you for the good work.
Could you please test the Gorpro 12? They have their new log profile (and go pro labs custom log)
Lots of confusion with it. It also seems to do some crazy locked -2ev.
I would like to see that too!
My tests on the Hero11 was that the labs custom log profiles don't unlock more dynamic range than the standard flat, but they do offer the ability to dial in a custom curve if that's useful for a situation. I was just doing unscientific tests using a very bright/dark scene, but it was a lot of fun to mess around with labs stuff!
great video. Please check DR of GoPro Hero 12 and DJI Action 4 . always looking for iPhone DR test. thanks
I’m glad Gerald is having more fun these days
But where is the Teddy Bear 🧸
Patrick is in his seat
Is there an 18% grey target you’d suggest (or Apple suggests) in ProRes for exposure setting?
Would you consider testing a gopro 12?
I like the way Gerald slips away at weekends to quarterback the Bills and then without fanfare, slides back into this alter ego. It's impressive.
sick, iPhone 20 finna look crazy
Gerald let us know if you need a live audience at the studio
Oh boy here we go 🔥 iPhone is impressive considering what it is
I would love to see you guys do this test with the last 3 generations of iphones because last i checked the iphone 12 had a dynamic range of 12 as well
Honestly, loving that more creators are able to do more of these *actual* non-marketing bs tests. Always love to see more of it!
Please test all the recent phones, would love to watch it! Recent iPhones/Galaxies/Pixels! :D
and also iphone 11 as the sensor is 1/2.55 and on the iph 12 it jumped to some 1/1.8 or something
I also think it has to do with the shutter speed, theres something fishy going on where the code values pile up instead of getting higher, which causes a weird color shift because I guess some colors are force clipped before being released
Can you test the Phillip Bloom's BLOOM GOLD filter?
Looking forward for real world sample footages addressing what you found out.
I think shutter speed increases the maximum, I recently went on a hike on a bright day and used 1/8000 with like ~1350 iso, definitely a lot of noise in the shadows (couldnt tell at the time, was just trying to fill the histogram without the clipping point moving around), just uploaded a test video and the hdr should process in a day or so
Does this iso 1150 / 1200 great dynamic range work in the 13mm f2.8 as well? If not, what’s the best iso for this lens?
I've been waiting for this info - thanks! The 15 Pro has a lot of promise, but isn't a viable professional option yet IMO for two main reasons. 1) It records in a VFR (variable frame rate) and will drift causing issues if using an external recorder for audio or in a multi-cam scenario. 2) There's no way to adjust shutter speed without a 3rd party app. The only one that currently supports Apple Log is the Black Magic Camera App and in my experience it's impossible to use as a monitor. At proper exposures, the image is displayed as being overexposed and with clipped highlights. The official LUT from Apple also doesn't display properly inside the app and the only solution I'm aware of is to use an external monitor. Has anyone else had these issues?
UPDATE: Version 1.1 of Black Magic Camera app resolves both these issues. It's still VFR, but support for external timecode makes this viable for production.
@@onefilmproductions Filmic pro you can wirelessly use an iPad or another iPhone as a remote monitor/control. Wonder if they will add that to Black Magic cam…
I would've thought it's more the fixed aperture and the fact you're getting 13mm f/10, 24mm f/6.3 and 77mm f/24 (120mm f/21 on the Max) full frame equivalents, which does limit what you can do with them somewhat. Still damn impressive for a phone.
When have you ever reached for that f/21 120mm lens on a full frame setup? 😂
Interesting, did you do the Dji Osmo Pocket 3?
When I think about Gerald Undone, I think about the extremely useful information he shares, it's a brand.
as a noob here, would doing this in default photo mode yield better results due to hdr processing?
Would like to see some 14 stop samples now
can you make a dynamic test on DJI Pocket 3 with 1" sensor ?
Compare a phone 1 inch sensor vs a mirrorless
This will be interesting to compare with the pixel 8 pro enhanced dynamic range 😊
It would be nice to see this kind of looking into put towards the Xiaomi 13 Ultra. That would be pretty interesting to see.
with motioncam and the xiaomi owned log profile
24fps can do log 10bit with xiaomi 13 ultra. And it looks like real log. unlike samsung phone they hold back on third party app. You do not have much option in 24fps.
Do you mind testing the dynamic range on the other sensors? I get it, the main sensor is the best but if we're going to shoot anything on it and use the other sensors i'd love to know the best ISO for those other ones in LOG. If you already did, could someone let me know the best values on those sensors. --- Also on another note, based on Apple's own behind the scenes they shot so much of it at ISO 55, there was one shot at close to 500 ISO and the drone shots were cranked all the way up due to the low light.
SO for make it short , when shooting in LOG, in controled lighting environement we should up ISO around 1250 ?
Thank you so much for putting out this information. I heard you briefly mention it (others chime in please too), but what’s the max IRE on the iPhone without clipping. ie, what would I set my zebras to?
easy to test on any camera, shine a flashlight into the camera and move zebras until they disappear, then move back 5%
@@zrgardnewhat do you set the zebras to?
Give us the same episode for Pixel 8 and 8 Pro, especially when the new HDR feature is added... 🎥
"Voilà... Cinema!"
i dont mind doing noise reduction the problem is that it takes so long to export on my m1 mac the smaller iso is limiting but it really depends i think if i was to shoot something where i needed a higher dynamic range for example a shot against a window ill only have that clip in native 1250 and then when i have a scene where i dont need much dynamic range im shooting below native
sony zv1 vs iPhone 15 Pro which one will going to have better Dynamic Range
Yall should test the s23 ultra as well
Okey, its a computational photograpy you are talking about. So what camera app did you use for your measurments? Native camera app? What about Filmic Pro and Blackmagic camera? Or Google camera?
it's blackmagic camera app as what the video shown
Any idea how much ‘computational’ videography/photography is happening behind the scenes here, even through Blackmagic video app?
Do you think the 13.8 stops of dynamic range is purely off the sensor or do you think that even in this log settings here that there’s some type bracketing equivalent happening to the signal prior to it being displayed as a log profile?
Cheers & love the vid. Thanks
My guess would be 4frame stacking so sensor is shooting 120fps(yes it can) and stacking 4 to 1
It also most likely has dual isos
It's also got that quad bayer sensor, so I don't know if that's able to effectively gather multiple light values, per effective pixel. There's got to be some post processing happening to get an image that clean out of a sensor that small.
If you go to 1/24 or 1/30 sec (basically 360 shutter) there's a massive drop in dynamic range, so definitely at least 1 stop of shutter based HDR. Though in this videos B-roll there looked to be a point where they were shooting at these shutter speeds but didn't mention this issue. I think this review was a little light considering the complexity of these cameras, and the fact that the other sensors weren't even measured...@@arianamirgholami9555
What is the name of the app for manual control?
I wonder what sensor is in it? Seems to me the only way to get DR that high out of a small, high MP sensor is if they are doing a hybrid simultaneous dual gain output + NR.
This and some HDR dynamic boost nonsense - not exactly DGO sensor, more like hybrid capture to better predict the brightness of each area of the image.
@@alexlubinski7795 they are doing some frame analysis and NR with the neutral engine for sure but the log video does not look like they are frame blending. Has to be DGO of some kind.
It is very likely a Sony IMX 803
Just today… I asked myself “when is @geraldundone doing a DR test? Then baaaammm!!!!
Can you test the Xperia 1 V
Finally, I thought you weren't interested in this
May I ask how you adapted the exposure to the ISO values? By shutter speed or by ND? If it was shutter speed, the very short speeds from high ISO might have triggered some multiple exposure process in the iPhone to integrate more than one frame.
Well, not getting any reply I made a few tests to answer my own question: If you used shutter instead of NDs, you may have not noticed an important feature. Apple's EDR (extended dynamic range) is setting in if your exposure time gets shorter than 1/4th of the frame time. It obviously extends the highlights by integrating two separate readouts and you get up to one stop more there.
Now that's a dilemma, since for good motion blur one should stick to 1/2, but then you lose some dynamic range and the exposure is capped at 80% in Apple log.
Love the content. But why is your guest not wearing shoes? Lol
I love Gerald..but does he even shoot any film work himself? I've never seen a project from him.
Apologies if this has already been discussed.
I have always believed that increased sensor size has a positive influence on dynamic range.
What are the physical dimensions of the iPhone sensor ?
We all know that modern phone camera's are astonishing. Is it all achieved with Ai tech / post sensor manipulation?
you should test the dynamic range of Xiaomi 13 Ultra with mcpro24fps on all lens. You can turn off all of the processing like noise reduction. Tried it on my Poco X3 NFC and I loved the output it can produce without software processing.
please do test samsung vs iphone vs pixel
What was the shutter speed when you guys test the dynamic range? I don't have tools to test dynamic range, but it seems on my 15 Pro Max, setting shutter speed slower than 1/96 reduces dynamic range.
yea I think the faster the shutter speed, the farther the clipping point goes on the histogram, I'm uploading a video now which was 1/8000 ~1350 iso. I think it has to do with how they combine images for HDR but its really frustrating
@@neaumusic Cold it be that they do more than one exposure and combine them in software when the shorter exposure allows for that? Just as Red is doing extended dynamic?
Apple needs to add a function to view the log with a temp conversion so you can see better.
Can you do this for s23ultra
Did they fix audio? Cause when you use comica or rode wireless mics to your zoom recorder - everything is fine. Once you try to use comica mic with reciver plugged in the iphone - the sound quality is crap.
I used a usb c to dual 3.5mm (headphones and mic in). Plugged my rode wireless and it works great, very clean. But there's no audio monitoring out
I'm new to dynamic range analysis charts. Question: near the beginning of this video (1:00 ) Gerald explains the score levels of noise. If you're willing to except a lot of noise then the Low value is the number of stops you can achieve. If you want the least amount of noise then the High value represents the number of stops to expect. Then later in the video (5:10) he states that with ISO 1100 the noise level increases going down the list towards High. I'm confused.
You look at the total of available stops at any given iso but also at a noise floor level. The lower noise floor you're willing to accept the lower the score will be as you exclude the visible stops that are too noisy.
Ah, I get it now. Thanks @@LiveMyJourneyTom
Yes, he seems to have reversed what he said 180 degrees. That threw me also. I'm sure if we look at some other videos it's probably explained better. At any rate, I think he said it correctly the first time. Makes sense that the higher stops of Dynamic range would be noisier than the lower ones.
in 2016 apple gave us DNG 12-bit raw, in 2018 apple gave us 200mbps 8-bit 4:2:0 HEVC - Just not by 1st party software... just like how proxy to 422 is not on a the default app today...
And so here is the thing…to use camera like the iPhone or the GoPro you need to use them in the house bought auto modes and allow the shutter to do whatever it wants to aid in the image quality. Otherwise - you end up with an uphill battle that at the end of the day would have been so much easier with - a camera. There are so many downsides to shooting with a phone that having to then fight the color is just silly. My analogy is to a Swiss Army knife - it has all the tools needed to build a house - but would you really want to? When you could just use power tools made for building a house?
Great ❤
Patrick is setting a trend, for the kind of socks your guests are showcasing.
I'm here for the dope sushi socks
Gerald has his own show?!?
im so confused when i show other creators this none of them say to do this with the iso lol
I like to see the same test on the Xiaomi 13 ultra or 13t pro
Patrick's watch game is on point or what?
Can someone type out the answer? holy cow this is technical 😂 love it, but how about a clean simple answer in the
bio or comments instead of an almost 13 minute conversation I’m trying to follow as numbers and charts pop up, kinda lost trying to follow
okay guys, so around 1100 -1400 ISO has the best dynamic range in Apple Log with the main 1x camera.
And low light situation, crank the iso down right?
Gerald, Are you guys Geeking Out?? Just kidding, Great Video!
I tried an nd on iPhone 14 for this reason, and unfortunately it breaks the autofocus. Autofocus is done with lidar so it doesn’t see through the glass of the nd. There’s no option to focus using the normal camera lens, and I haven’t seen an iPhone nd that only covers one of the lenses.
Autofocus is not done by LIDAR. How far do you think that would work? AF would never get to infinity…