Testing the Autofocus | Sony FX9
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- Опубликовано: 14 окт 2024
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The quality of that camera wow. Sony really has improved color .
Philip Bloom said the screen is actually in fact a touch screen, but it's just not enabled. SONY, I BEG OF YOU. ENABLE IT!
Would I like to use AF more often -- most definitely! Would let me pay more attention to keeping dancers in the frame as they dart across the dance floor, which is one of the most challenging tests I've found for an AF system, other than perhaps your "completely dark" test.
From what I have seen, I think this could pass your dancer test.
Carl
Hi Carl, is there a difference in the Auto Focus when you choose another Mode like S35 or Full HD 100fps?
I don't worry about or use autofocus that much. That being said, tracking a person walking toward the camera is a great benefit. I've learned to like the facial recognition autofocus on my Canon EOS R. I don't know if anyone said this before, but what he doesn't say in the video is that this only works well with Sony lenses. This is very important for so many of us who already use Canon lenses and an adapter. I'm going to see a live demo soon with this camera, and curious to do a test with EF lenses.
I really wanted to see AF performance as you zoom out on a presenter as they walk toward you. In other words, keeping the same basic framing as they walk closer to camera, as compared to a static wide as they walk up. Make sense?
It's nice to see a beautiful model that smiles. Nice review.
Alister did the same test as you did with the shell. I'm not sure what setting he used but it did work well. I'd say it was better. Also he used the thumb stick to control the auto focus manually in real-time with and indicator box that appears on screen. So you actually have a bit more control.
May be The Portkey monitor, and a LANC cable you will be able to gain the touchscreen function as they have for Z-cam, and some other sony cameras.
As always thanks Carl for sharing! In some shots the model looks like Gillian Anderson sort of...
excellent test of autofocus. Also excellent point with the lack of touch screen ability to point at the area to focus. Can it track moving elements that are not faces?
I don't believe it can.
Carl
Impressive from the distance to close-up, but the lack of a touch screen does limit it quite a lot. Also it didn't follow the subject when she turned around and walked away, which is quite a common situation to have to film. Room for a "back of the head follower" mode? Also I would be interested to know how it compares to the C500 mkii autofocus. This will be the camera's main competitor, I assume.
I think that moment you were talking about was when we have the camera set to 'face only'. That means when it loses the face it will simply stop focusing. We also redid the test in 'Face Priority' which we also show. In that mode when it loses the face it will chose something else to focus on instead until it next finds a face. So in that mode it did follow her as she walks away from camera.
Carl
@@ProAVTV Did you test the AF using the zoom on the lens when someone is walking towards the camera? This is also a common occurrence when keeping the framing say as a medium close up throughout when someone is walking towards the camera and talking at the same time. It would be interesting to see how this works instead of a static wide frame with someone walking towards the camera.
It would also be good to see how smooth and controllable the zoom is on this camera compared to say a typical eng type zoom lens. I see Sony say the lens connector is much improved. It would be interesting to see by how much.
A real issue i've had is when there are multiple faces in a shot, you can't select one to prioritize. I've also found it prioritizes white faces over any darker skin. Likely because of contrast, but not good!
Great review!
Where the above tests all at f/4?
Did you try with wider, less forgiving apertures like f/1.8?
Yes, because the 28-135 we were using is an f4.
I have also tried f1.8 since then and it works brilliantly too.
Carl
Sony FX9 is an excellent ENG camera ... much improved over the FS7. It is not a replacement for a cinema camera but instead, a solid work horse!
4:42 That's incredible! :O
It's pretty good isnt it!
Carl
On a dolly tracking shot moving from 20 feet to 5 feet away does it have the ability to focus on one person and not the people standing behind them?
Thanks for this test. It's nicely done! Could you tell me if you have tried comparing the AF of the FX9 to that of the new Canon C500 mark II?
Not yet but we will!
Carl
We haven't put the two side by side just yet, although we will be doing so in the new year.
Dan
@@ProAVTV Any idea if the Sigma EOS adapted lenses would work?
@@talktorob I am curious as well to see how the autofocus works with a Sigma Art EF lens using the sigma adapter.
Hey, What Focal Length was the lens set?
Also what about AF tracking on a lens with more open F- stop like f1.4?
I like how face detection has improved, but what really bugs me is that the camera doesn't 'connect' the face to a body shape, so that a subject can be followed when they turn from the camera and walk away. That would be truly helpful if properly implemented.
My Sony a6400 does this very well. It must be possible with a pro lvl camera?
Carl, I am surprised you only checked AF performance in S-Cinetone, because in Slog3 it doesn't work as well. That's a major caveat with this technology! It needs contrast in the image.
Interesting point Nino!
Have you done comparisons?
I’ll have to try that out.
Carl
@@ProAVTV Yes I have in my FX9 workshops for Sony ... nothing on video or in a review yet, working on that longer-term as I wanted to wait for the production version of the camera which is out now. Doesn't look like it's changed much though.
Wish they had included the tracking feature of the new Sony A7R iv and a6600. Would be so useful to be able to choose any subject/object via touch or by having the focus point over it and pressing the joystick or other another programmable button down to lock it in (like possible in photo mode on said cameras, as touching the screen can introduce shake when handheld). The technology is definitely there. Also do you know if AF on/off can be put on a assignable button? This was always very helpful on the A7 series to take over control from the AF in an instant.
Agreed, that would be a fantastic feature to add.
Carl
I’m looking at buying one right now. But, you raise a good point. My phone is touch screen, as is my Osmo pocket, my Fuji X-H1, even my seven year old Sony FS100. Almost top of the line camera and no touch screen? What were they thinking?
Touchscreens aren’t perfect for this kind of camera. As the screen is normally no where near your hands. But the flexible spot and joystick combo just isn’t fast enough to be a viable replacement in my opinion
Carl
I also was wondering how you felt this compared to Canon C200/C500 mk2?
C200 & 500mk2 are much easier to control.
But I think the fx9 does actually perform better with face tracking, especially in those challenging situations. That's just my first impressions though, I'll do side by side tests at some point.
Carl
wow that last test was seriously impressive
I was completely amazed that it could see a face in that extreme lighting situation. Very impressive
Carl
Does the autofocus works with the internal auto ND filter?
Time to sell my kidney
I’m wondering if newer Sony lenses (24mm GM and 135mm GM) would work even better than the older 28-135mm. Those newer lenses are highly optimized for better autofocus.
Possibly! Although most of that optimisation is about stills af, how quick the motors can move to the focus point needed. Which isn’t as important for video AF.
Carl
Thanks Carl! I had a suspicion that might be the case...!
You thought Sony would at least put a touch screen for AF on their flagship cinema camera just like on hybrid cameras, which makes me think A7s3 is not coming.
I personally think they had an a7s 3 ready to go a few years ago but the gh5 and other cameras absolutely blew it away in every aspect that they never released it and now it's a dead and buried camera. (personal opinion)
Frank Feng A7S III will be announced soon. Sony Asia just registered a new camera... It is rumoured to be the A7S III.
Loncey Bailey Green Why twice from same person? 🤔 You have a problem with listening? 😃😉
was the low light footage denoised? if yes, with what?
No, it wasn't denoised
Carl
@@ProAVTV 🤣
@@Alex_Cid ?
@@tigran3409Carl☝️ its fun🙂
hmmm same as the z280! how does the z280 stand up against the fx9? ps - why does it say 6K in the viewfinder - when as of now it doesn’t shoot in 6K?
In AF specifically? The AF is more noticeablely good on the FX9 because of the shallower depth of field.
It says 6K because it’s using the full 6k sensor, but recording a 4K file.
Carl
How would you rate it for wildlife? A matter of trying to keep the flexible spot on the bird at all times? No proper 3d tracking?
Object tracking would be great for wildlife. But it needs to be able to be selected fast. Wildlife is so reactionary, if you spot something great then the camera needs to be ready to go.
Carl
@@ProAVTV does this have touch screen af selection? If so object tracking would be nice. I doubt it has toggle af set ups like the a9...
Carl, how do you reckon the FX9 would perform for live concerts?
It’s an excellent camera for live shows, especially auto variable ND handling crazy lighting changes. They really stepped up with this
Thanks Carl, did you test with any adapted lenses?
It doesn't work anywhere near as well, as you would expect.
Carl
We have been big fans of the FX9, autofocus is miles ahead of the Fs7!
Whats the make/model of the tripod behind you ?
It's the Sachtler Flowtech with the ACE XL head: www.proav.co.uk/sachtler-1017-flowtech-ace-xl-flowtech-75-carbon-fibre-tripod
Dan
I use it in interviews on my FS100. Works most of the time.
This is significantly better autofocus performance than on the FS100. Day and night difference in my opinion.
Carl
Great colours..... Infinitely better than fx7. Hope they'll bring this colour science to their ML
How does this autofocus compare to the FS5 m2?
How does the A9 autofocus compares to this FX 9?
Can the fx9 output pro res or pro res raw to a atomos recorder without the extention unit ?
Yes for ProRes, no for ProRes raw.
Carl
a touchscreen would be nice)) can't imagine using face af with buttons)))) finally Sony replaces focus puller with face selector)) well done Sony)
That's not a lot of AF for $11'000. Maybe they need to implement Shell AF via firmware update :) Seriously, I doubt people who buy this type of camera rely on AF much, though.
😍😍😍😍
Does it do AI object tracking?
No, hopefully they add that!
Carl
Why is every one creaming themselves over autofocus? surely a camera priced at this level operators shouldn't even be thinking about using autofocus. Personal opinion.
Wrong. You are thinking about the VENICE. Autofocus like this is beautiful for my documentary work. Definitely excited about getting one.
Interesting concepts, I come from a sports cameraman back ground where you quite often shoot at 2.8 with a 100x lens and follow a ball sharp 100 metres away. All manual focus. Having auto focus has never crossed my mind. All sports cameraman pull their own focus. Mind you they are 2,3rd inch chips not full frame. Anyway each to their own
@@FirstLightMediaStock Yup. For sports that makes perfect sense.
I used to use manual until I tried the A7III. When you realize you can trust the autofocus is the best thing in the world, specially for unscrippted situations.
I can say better but, still not good enough for professional level tho
On my FS5 mk2 the autofocus is GARBAGE. My Canon 80D is 100x better. Unless it's a straight-on, medium to close shot, and well-lit it CANNOT find a face and will just slowly (painfully slow) rack back and forth until it finds something it likes. Usually the background. I was hoping for it to make my wedding shoots easier and it definitely does not. Hopefully, they'll make this tech available as an upgrade in the fs5's as well.