Camera Update 7.9 for Pocket Cameras

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kontrakatze

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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 4:57 pm

@MrHotter: I think it is either or. If your lens has no internal stabilization, the gyro stabilizer is a huge benefit. Even with standard frame rates. But if you have stabilization in your lenses it appears to be not really less shaky in comparison, but way smoother/softer.
And if you take a look at the video (the clip with the window), there is some wobble introduced by the gyro stabilizer (left bottom corner). In addition the crop is kind of hefty, I think.

It is kind of different with wider lenses (16-35mm). In my opinion it looks kind of more stable, as if the rolling shutter was less (which is not possible). But it is more a feeling than science to me.
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xchrisx

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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 4:59 pm

is the gyro better than the built in resolve stabilizer?
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Francisco Bartolomé

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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 5:07 pm

xchrisx wrote: My question: with this update can you finally view taken dng stills in camera?


I have Resolve version 18 beta 5 installed and I can see and work with the dng images from my BMPCC4K camera

(sorry, this answer was a mistake)
Last edited by Francisco Bartolomé on Fri Jun 24, 2022 5:12 pm, edited 1 time in total.
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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 5:10 pm

kontrakatze wrote:Regarding the gyro stabilizer, I just made a quick comparison video on yt (nothing fancy):


Wider lens will likely give better results, as they do with gimbals, and it would seem gyro+lens stabilization is to be avoided, but the test everyone is waiting for is the one gimbal youtube reviewers almost always avoid.

If you've got the time and inclination, hold the camera steady as best you can and walk straight down the sidewalk or a long corridor, anything will walls or cars on either side, so there are reference points. Based on your tests so far, I wouldn't have high hopes for the results, it's going to be way more demanding than what's needed to stabilize drone shots, but you never know....
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francesco.dadamo

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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 5:46 pm

I share some other impressions made with quick tests, out of curiosity, this time with a stabilized lens, the tamron 24-70 g2. First of all if the lens stabilization (VC on the tamrom) is activated before pressing record, the option to stabilize the footage with camera gyro on davinci does not appear. It appears instead if the VC is activated during recording, or clearly if it's not activated at all (who knows if this is connected to the two tamron VC modes that can be changed with the tap-in console, I have to see if this happens on Canon lens too). To my eyes and tastes between the 3 combinations (gyro only, VC only or both) I find it more pleasant and natural to use only the gyro, as long as you can accept the crop. This is especially true if the camera is moving (and going to 90° or 45° shutter angle improves the result). The only scenario where I have found it better to use only the VC on the lens is in the tele range with a still framing, here the VC gives back a tripod-like stabilization while the camera gyro gives has a more floating feeling, pleasing nonetheless.
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Re: Camera Update 7.9 for Pocket Cameras

PostFri Jun 24, 2022 11:51 pm

I've installed the update today and I am a bit disappointed because of the graphical changes. The icons and fields are now much smaller. I don't like that way. Please, return to former big quadratic fields.
I admire new autofocus speed though I don't use it too much as I have Moza's gimbal with IFocus.
Maybe now I will use the new upgraded focusing more extensively.
Focus peaking - can anyone explain me the difference except the slider?
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Kristian Lam

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 1:18 am

Jeffrey D Mathias wrote:Question: Is this always on (gyro stab)? There is a switch in the settings but it seems to always be on and not able to turn off. When on I would be interested to know how much the bit-rate will be influenced by having the extra data... thinking of when pushing cameras to best quality and highest speed (also thinking of with my 12K.)


Yes, the gyro sensor is always recorded but the extra data is neglible in this instance.

However, if the lens OIS is turned ON, then the option to use gyro data for the clip will not be available.
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Jim Simon

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 4:50 am

Just want to add my compliments to the team for this latest 7.9 update.

Very nice improvements across the board!
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Robert Niessner

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 6:05 am

Kristian Lam wrote:
Jeffrey D Mathias wrote:Question: Is this always on (gyro stab)? There is a switch in the settings but it seems to always be on and not able to turn off. When on I would be interested to know how much the bit-rate will be influenced by having the extra data... thinking of when pushing cameras to best quality and highest speed (also thinking of with my 12K.)


Yes, the gyro sensor is always recorded but the extra data is neglible in this instance.

However, if the lens OIS is turned off, then the option to use gyro data for the clip will not be available.


I think you meant „ if the lens OIS is turned ON“, right?
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Kim Janson

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 6:41 am

It would be interesting to know what data and how often is stored and if that data can be accessed. i.e, is it just raw gyro data a sample per frame, many samples per frame, also acceleration data, or already processed data. Is this documented somewhere?

Overall what is all the metadata stored on the video file, and is there possibility to store custom data per frame, like camera position.
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WahWay

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 6:58 am

The original Ursa Mini 4.6k from 2015 has built in gyroscope capability that was never enabled :?:
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 8:57 am

kontrakatze wrote:Regarding the gyro stabilizer, I just made a quick comparison video.

You will see each clip 4 times:
1. No stabilization, just hand held
2. Just hand held + DR gyro stabilizer
3. Canon ef-l Image Stablizer only
4. Canon ef-l Image Stabilizer + DR gyro stabilization



Thanks for doing this! All that's missing is:

5. Shot properly, with tripod or at least monopod to support camera :)

Please note that this is tongue-in-cheek and not to to be taken as criticism of your efforts.

But I'll be honest and say that none of those clips would work for me, in terms of 'stabilisation'. It's great to have the feature added for free, but I wouldn't start running around handheld thinking I'd come home with professional looking, stable footage "after running it through post".
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evanfotis

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 9:34 am

Any issues after installing latest fw update
with external control of bmpcc4k via following apps?
Control BlackMagic Camera
or
Blackmagic Pocket Control?
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Kim Janson

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 9:37 am

It would help a great deal to add mass/inertia to the camera. Simply a tripod and using that handheld will help to get rid of the small and fast shakes and then using the IMU/SW stabiliser.

Lens stabilisation + IMU stabilisation will not work, unless they get the lens stabilisation information also, other ways they will be just fighting each other, except roll that the lens doesn't stabilise. For that it would be great if they offered possibility to use lens stabilisation and IMU/SW roll stabilisation, that should work well.

Would be good idea also to have double or even triple frame rate available for SW stabilisation. The SW would have more data to work on, the end result could then 1/2 or 1/3 the frame rate again, smartly interpolated by the SW, to get the wanted frame rate. (48fps 360 ° is 2 x 24 fps 180 °, but for SW stabilisation normally faster shutter speeds should be used to avoid not wanted motion blur. Motion blur due shake and then stabilised will not look good.)

(IMU =inertial measurement unit that they likely have on the camera, it has gyro and acceleration measurement usually on this kind of devices.)

AndreeMarkefors wrote:
kontrakatze wrote:Regarding the gyro stabilizer, I just made a quick comparison video.

You will see each clip 4 times:
1. No stabilization, just hand held
2. Just hand held + DR gyro stabilizer
3. Canon ef-l Image Stablizer only
4. Canon ef-l Image Stabilizer + DR gyro stabilization



Thanks for doing this! All that's missing is:

5. Shot properly, with tripod or at least monopod to support camera :)

Please note that this is tongue-in-cheek and not to to be taken as criticism of your efforts.

But I'll be honest and say that none of those clips would work for me, in terms of 'stabilisation'. It's great to have the feature added for free, but I wouldn't start running around handheld thinking I'd come home with professional looking, stable footage "after running it through post".
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 11:19 am

WahWay wrote:The original Ursa Mini 4.6k from 2015 has built in gyroscope capability that was never enabled :?:
It’s possible it doesn’t have the gyroscope. The URSA Mini Pro maybe has it hidden in there like the Bluetooth that was hidden at first. But definitely the URSA Mini Pro 12K has it. Why? The Horizon Line UI feature. That used a gyroscope in order to tell you if you’re level. Thus the question is which URSA bodies actually have it?


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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 11:47 am

Robert Niessner wrote:
Kristian Lam wrote:
Jeffrey D Mathias wrote:Question: Is this always on (gyro stab)? There is a switch in the settings but it seems to always be on and not able to turn off. When on I would be interested to know how much the bit-rate will be influenced by having the extra data... thinking of when pushing cameras to best quality and highest speed (also thinking of with my 12K.)


Yes, the gyro sensor is always recorded but the extra data is neglible in this instance.

However, if the lens OIS is turned off, then the option to use gyro data for the clip will not be available.


I think you meant „ if the lens OIS is turned ON“, right?


Yes you're right. Original post updated. Thanks.
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Kim Janson

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 11:48 am

Especially with this setup would be very nice to have the IMU+SW stabilisation, but I doubt that the old Micro cameras would get that even if they would have a "hidden" IMU, and they probably do not, but hopefully soon we have new micro cameras.
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 12:30 pm

So, regarding gyro stab.

Did a very quick test today whilst uploading some footage. Lens used was Panasonic 12-35 Mft OIS V1

DR did not show any option for Gyro stab, unless the lens stabilization was turned off (in the camera menu)

Is this valid for ALL optically stabilized lenses - IE either lens IS or Gyro stabilization?

Hope this is not the case…
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 12:39 pm

moodster wrote:So, regarding gyro stab.

Did a very quick test today whilst uploading some footage. Lens used was Panasonic 12-35 Mft OIS V1

DR did not show any option for Gyro stab, unless the lens stabilization was turned off (in the camera menu)

Is this valid for ALL optically stabilized lenses - IE either lens IS or Gyro stabilization?

Hope this is not the case…



this is because the lens stabilization compensates and thus works against the gyro.
the same optical phenomene is seen with stabilized cameras on gimbals and sliders
when the internal stabilization is not turned off.
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 1:13 pm

In fact lens stabilization does improve gimbal performance -- at least with some gimbals and some lenses, especially reducing micro-jitters. And some of the best overall gimbal performance has been achieved with 5-axis body stabilization, at least based on third-party samples. But evidently not an option in this case.
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 1:50 pm

John Paines wrote:In fact lens stabilization does improve gimbal performance -- at least with some gimbals and some lenses, especially reducing micro-jitters. And some of the best overall gimbal performance has been achieved with 5-axis body stabilization, at least based on third-party samples. But evidently not an option in this case.


Ditto. In fact in my experience with gimbals and sliders, in body or in lens stabilization creates problems where the stabilization grabs and releases a frame causing jitters.
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 2:15 pm

I have been a happy owner of the BMPCC4K for less than a month. As soon as I unpacked the camera I already found the firmware updated to version 7.3 Today I updated to version 7.9 and I'm very happy to see improvements in the menu. I have noticed that the stabilization option cannot be turned off as it was before. I only use manual cine lenses and therefore I had disabled the stabilization option. Maybe now it can't be turned off because of the gyroscope? However, the serious thing I noticed is that in 4K 2.40: 1 it is no longer possible to record at 75 fps but it is limited only to 60 fps! To correct !!!
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 2:17 pm

Kristian Lam wrote:However, if the lens OIS is turned on, then the option to use gyro data for the clip will not be available.
Well that sucks!
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 2:35 pm

I think that's the correct behavior. Gyro is compensating for movements in the body and would be unaware of lens correction movements. I have Sony with gyro stabilization too, and it works better with camera stabilizations off. And on a gimbal for me anyway, it seems as good if not better to leave camera stabilizations on and skip the gyro based post stabilization altogether. For sure it saves a lot of time versus post stabilization and with Sony, it's also a round trip between Catalyst Browse and Resolve.
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 4:22 pm

It's impossible to use gyro data for stabilizing with OIS. Camera records body movement using the gyro, OIS stabilizing using it's own gyro. Both gyros are not in sync.
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Kim Janson

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 4:55 pm

That is just how it is, must be, unles they would get the feedback from lens what its stabilisation is doing. Some cameras do this combining IBIS and OIS.

IMU data compensates the camera movements and lens stabilisation does the same, if they do this independently they fight each other and result is bad.

- Gimbal + lens or in camera stabilisation works, as gimbal first stabilises the camera and lens or in camera (or this case IMU in post processing) work only if there was something remaining to be stabilised. This is especially good with long optics, because gimbal can not stabilise the wind hitting the camera. i.e external forces.

But there is some problems related.

- Lens stabilisation stabilises pitch and yaw movements, but not roll. So it is missed opportunity that BMD did not allow using IMU roll stabilisation with with lens stabilisation, so that IMU would stabilise only roll.

It is not as difficult as it sounds above, if you have been doing camera stabilisation over 10 years :D

Jim Simon wrote:
Kristian Lam wrote:However, if the lens OIS is turned on, then the option to use gyro data for the clip will not be available.
Well that sucks!
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 6:08 pm

I just bricked my BMPCC 4K during an attempt to install this new update on a Windows 10 64 machine.
I had external power used to power the camera(the factory wall wart) and a 3 foot usb 3 cable to the camera body.
The update got all the way to 99% and stayed there for 2 hours.

So after using task manager to end the task of the Camera Setup app that was using 0% CPU, the camera's red power indicator stayed red even after setting the power switch to off.

So my query is, can I do anything myself to attempt a power on that might reset the firmware condition of this camera body?

And more than likely I will need to send this to a service center hopefully not too far from where I live here in Seattle.

Any advice on steps to remedy this would be appreciated, thank you.
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Robert Niessner

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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 10:38 pm

Elvisthepug wrote:I just bricked my BMPCC 4K during an attempt to install this new update on a Windows 10 64 machine.
I had external power used to power the camera(the factory wall wart) and a 3 foot usb 3 cable to the camera body.
The update got all the way to 99% and stayed there for 2 hours.

So after using task manager to end the task of the Camera Setup app that was using 0% CPU, the camera's red power indicator stayed red even after setting the power switch to off.

So my query is, can I do anything myself to attempt a power on that might reset the firmware condition of this camera body?

And more than likely I will need to send this to a service center hopefully not too far from where I live here in Seattle.

Any advice on steps to remedy this would be appreciated, thank you.


Don't worry, you can fix this on your own:
Kristian Lam wrote about the procedure
viewtopic.php?p=860376#p860376
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Re: Camera Update 7.9 for Pocket Cameras

PostSat Jun 25, 2022 10:53 pm

That is very encouraging! :)

Thank you for your quick response, much appreciated!!
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 8:03 am

Weird thing on 7.9 update:

Cannot turn on the 2.0 desqueeze on the new menu.
1.33 works perfectly but not 2.0 for some reason.

Ideally, I would see a 1.8 or variable desqueeze as I'm using the GreatJoy 35mm anamorphic lens.

Someone?
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roger.magnusson

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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 9:33 am

You can't desqueeze 2x when using the full sensor as it's a widescreen sensor.
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 2:16 pm

To paraphrase the camera manual, the desqueeze options that are active are only those that would apply to the current resolution aspect ratio to transform it to a widescreen deliverable.

It’s not seen as user selectable to any value (such as 1.8x or 1.5x) or to any resolution (such as 2:1). Nothing wrong with those non-conforming items but BMD cinema cameras simply don’t currently support them for desqueeze.
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 2:51 pm

Olivier Burri wrote:Cannot turn on the 2.0 desqueeze on the new menu.
1.33 works perfectly but not 2.0 for some reason.

Ideally, I would see a 1.8 or variable desqueeze as I'm using the GreatJoy 35mm anamorphic lens.


Here are two feature request threads for this. Consider put your "+1" under them.

–> viewtopic.php?f=2&t=162465

–> viewtopic.php?f=2&t=155470
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 8:45 pm

I love how much the autofocus has been improved. Even with a Metabones Speedbooster, it's lightning fast. This makes me wonder if Blackmagic is on the verge of introducing continuous AF to their cameras.
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 10:21 pm

RaulAndres wrote:I love how much the autofocus has been improved.
Noticed that myself. Gotta be 3x to 5x faster for me.
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Re: Camera Update 7.9 for Pocket Cameras

PostSun Jun 26, 2022 11:44 pm

After the update I have been able to use the autofocus for the first time ever with the Pocket 4K + Viltrox EF-M2 II (Firmware 4.0)! :o It works so bad that it is still almost unuseful, but at least something is better than nothing.

Also manual focus on Ronin RS2 now can work without focus motor. You just connect the USB to the Ronin (loosing the option of connecting the external SSD :cry: ) and it works. Again not as smooth as with the focus motor and the lens makes a weird clicking noise, but it finally works at least!
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 8:40 am

Since the update 7.9 was applied to both my BMPCC 4K and 6K Pro, neither will now record to my Samsung T5 SSD's (500MB or 1TB) for more than a few seconds before they start dropping frames. I've tried all bitrates and resolutions and same problem.
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 9:05 am

solarquip wrote:Since the update 7.9 was applied to both my BMPCC 4K and 6K Pro, neither will now record to my Samsung T5 SSD's (500MB or 1TB) for more than a few seconds before they start dropping frames. I've tried all bitrates and resolutions and same problem.
Have you formatted from camera? I had updated all cameras but all work fine like ever, sd cfast and ssd. If you have a problem with both cameras could be a ssd problem. Check with a different cable, sometimes can be damaged and give you this kind of problems.


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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 9:58 am

RaulAndres wrote:I love how much the autofocus has been improved. Even with a Metabones Speedbooster, it's lightning fast. This makes me wonder if Blackmagic is on the verge of introducing continuous AF to their cameras.

Yes, autofocus has been improved a lot!
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I thank the entire BlackMagic team for the effort they have made to achieve it!
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 11:48 am

carlomacchiavello wrote:
solarquip wrote:Since the update 7.9 was applied to both my BMPCC 4K and 6K Pro, neither will now record to my Samsung T5 SSD's (500MB or 1TB) for more than a few seconds before they start dropping frames. I've tried all bitrates and resolutions and same problem.
Have you formatted from camera? I had updated all cameras but all work fine like ever, sd cfast and ssd. If you have a problem with both cameras could be a ssd problem. Check with a different cable, sometimes can be damaged and give you this kind of problems.


Inviato dal mio iPhone utilizzando Tapatalk
OMG, thanks so much Carlo, it was indeed the cable (cheap flexible type)!


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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 1:44 pm

For the new stabilization feature, will we see any way of creating and saving some sort of lens profiles in the near future? I think this would improve the stabilization even more.
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Kim Janson

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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 2:03 pm

You should not expect miracles of such gyro stabilisation, mostly it is useful with wide angle lenses. Gyro + SW stabilisation could make it usable also for longer lenses, but you should have plenty of light and short shutter speed to avoid motion blur.

In lens stabilisation is far superior regarding motion blur as it does the stabilisation before taking the picture, i.e shakes causing motion blur are eliminated (within the capabilities of the optical stabilisation) The problem with in lens stabilisation is that it does not stabilise roll axis, so would be nice to be able to use optical stabilisation + gyro roll stabilisation.

The lens profile, I am not sure what that would help with gyro stabilisation, except if the lens has bad distortion and that is corrected before stabilisation.

Edit, I was first thinking focal length is not needed for gyro stabilisation as it is about angles, but of course the angles need to be converted to pixels on sensor. Gyro roll stabilisation though should not need lens parameters, so gyro roll + OIS...


TeamDLS wrote:For the new stabilization feature, will we see any way of creating and saving some sort of lens profiles in the near future? I think this would improve the stabilization even more.
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 5:30 pm

TeamDLS wrote:For the new stabilization feature, will we see any way of creating and saving some sort of lens profiles in the near future? I think this would improve the stabilization even more.

I agree, with some extra lens profile data, this has the potential to be incredibly robust. I can see the potential for off the charts stabilization with that info. as many have mentioned, motion blur is the biggest enemy of this kind of stabilization, but theoretically this method could also work well in combo with a gimbal, so having that extra lens profile data could, possibly, help achieve near perfect gimbal shots. Crossing my fingers they really fine tune gyro stabilization over the next few months :D
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 6:07 pm

Dane-Casp wrote:
TeamDLS wrote:For the new stabilization feature, will we see any way of creating and saving some sort of lens profiles in the near future? I think this would improve the stabilization even more.

I agree, with some extra lens profile data, this has the potential to be incredibly robust. I can see the potential for off the charts stabilization with that info.



I may be missing something, but I don't see what use a lens profile would have for gyro stabilization? What's the thinking here? As already noted, OIS and gyro cannot be integrated, because they're fundamentally in conflict. A predictive set of numbers of how the OIS is going to work to stabilize, integrated with gyro recorded data, so as to correct the gyro data after-the-fact, would seem to be impossibly complicated and probably self-defeating, even assuming there's enough information in either set to harmonize the two. Or have I entirely missed the boat and the wharf here?

And "near perfect gimbal shots" is maybe a contradiction in terms. The peculiar mechanical "robocop" nature of gimbal stabilization is something audiences probably won't care about much, but few shooters with means would go this route over Steadicam. Even crude hand-held work can sometimes be preferable.
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 6:16 pm

"As already noted, OIS and gyro cannot be integrated, because they're fundamentally in conflict." Yes, except roll. OIS does not stabilise roll. OIS + camera gyro Roll would be great to have.

As for gimbal + camera gyro stabilisation it has some potential ;)



(rotate the 360 video facing the mirror to see the installation, this is up, down, lateral (HW) and 3 axis (SW:pitch, roll and yaw) stabilisation)

But normal well working gimbal and camera gyro stabilisation doing the same job, probably it make it just worse. Gimbal + OIS can tough be good on some cases.
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 6:38 pm

Has anyone else noticed there's a bit of a lag when hitting record after updating to the new firmware? I use my 6K Pro and 4K for events and I've noticed it in both cameras. Starting a take is still decently snappy, but it's especially noticeable at the tail end when you stop recording. It seems to take almost a full second now for it stop and finish writing the clip to the card. I use the Angelbird CFast cards, so perhaps those who use T5 SSD's have experienced different?

It's not that huge of a deal, but I've been using these cameras since the 4K came out and it's pretty much engrained in my muscle memory that starting and stopping recordings are instant.

Overall though, the firmware update has been awesome and the slight tweaks and additions to the OS were very welcome.
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 7:41 pm

Is the gyro stabilization feature available on the Blackmagic Ursa Mini Pro 12k?
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Re: Camera Update 7.9 for Pocket Cameras

PostMon Jun 27, 2022 8:40 pm

John Paines wrote:

I may be missing something, but I don't see what use a lens profile would have for gyro stabilization? What's the thinking here?


The gyro data is useful, and its already producing pretty good results, but how much correction you need to apply to the image is drastically different on a 8mm lens, then it is on a 200mm lens. If you rotate the camera 1 degree on an 8mm lens, you might not even notice, but on a 200mm lens, that is a lot of pixels that just shifted location, that need to be corrected with the stabilizer. So perhaps a full on distortion profile etc might not be needed, but just knowing what the focal length of the lens was could help a lot to get even better stabilization.

The reason a profile would be useful instead of just entering the focal length, is that not every lens of the same focal length produces the same image, some 24mm lenses, behave more like a 25mm lens, and some behave more like a 23mm lens.

Not sure if profiling lens distortion matters or not, since I am assuming black magic is is essentially just panning the image around to counteract motion, so its possible these "profiles" could be very basic and easy to do.
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Re: Camera Update 7.9 for Pocket Cameras

PostTue Jun 28, 2022 4:07 am

There is also the zoom lenses and field of view changing when focusing, and speed boosters. Pretty complex. I would assume they use the focal length anyway as indicative and do processing to actually calculate the field of view to be used on stabilisation.

Bad lens distortion would cause weird effect as the image sifts around the center point when stabilisation is applied.
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Re: Camera Update 7.9 for Pocket Cameras

PostTue Jun 28, 2022 7:15 pm

Hi!

Since the 7.9 update, recording on my Samsung T5 SSDs now fails after 5 seconds each time (dropped frame). This is on both my 2 tb, 1tb, and 500gb. ALL of these worked prior to the update with no problems.

Only after formatting the card over and over again in camera, turning off and on the camera, unplugging and plugging the SSD back in does it finally work. And then itll work for that shoot and the next day im back to square one with the recording failing.

I'm using the same cables (that came with T5) that ive been using for a year.
It does not matter if i lower the quality recording, it fails no matter what.

Any ideas?
Thank you!
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