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Thread started 31 Oct 2014 (Friday) 20:26
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Sony DSLR with 8k video

 
Shadowblade
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Oct 31, 2014 20:26 |  #1

I've been predicting it since 1080p came out on SLRs, and it looks like it's finally happening, in time for the 2016 Olympics:

http://petapixel.com …orless-full-frame-camera/ (external link)

In other words, the death of the action stills camera. Or, more specifically, its merging with the camcorder.

After all, why bother with 10/12/14fps and a shutter that sounds like a machinegun when you can shoot video at 25/30/50/60fps and extract a 32MP photo from it? Of course, you'd need to set it to 'frame grab' settings, so that shutter speed is 1/500-1/2000 to freeze action rather than video's usual motion-blurred 1/40 or so for smooth transition between frames.




  
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Oct 31, 2014 22:34 |  #2

Resolution isn't everything.

I wouldn't trade the latitude of RAW images for the seamlessness of constant video.


A simple comparison of sensor technology: Nikon vs. Canon (external link)
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Nov 01, 2014 00:04 |  #3

mclaren777 wrote in post #17244894 (external link)
Resolution isn't everything.

I wouldn't trade the latitude of RAW images for the seamlessness of constant video.

Who said video can't be RAW?




  
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Nov 01, 2014 00:15 |  #4

The tech has existed for a long time to create super high resolution video, digital sensors are producing still images 3-4 times larger than 8K.

The problem is processing 24 of those frames every second. You need a very fast processor in the camera and you need a VERY large and VERY fast storage technology attached to it.
Then on the other end you need a system that can process the files for editing, which needs to be exponentially faster.


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Nov 01, 2014 00:29 |  #5

Processors and storage get faster every year.

Also, you could limit RAW video to what can be handled by cache - say, 5 seconds at a time - and still have a very effective camera. RAW for frame-grab mode for stills, non-RAW for regular video capture.




  
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Nov 01, 2014 01:10 |  #6

Shadowblade wrote in post #17245007 (external link)
Processors and storage get faster every year.

Also, you could limit RAW video to what can be handled by cache - say, 5 seconds at a time - and still have a very effective camera. RAW for frame-grab mode for stills, non-RAW for regular video capture.

It's only a matter of time....




  
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Nov 01, 2014 01:12 |  #7

Shadowblade wrote in post #17244990 (external link)
Who said video can't be RAW?

I did.

Yes, video footage can be shot in a raw codec, but that doesn't mean Lightroom is going to handle framegrabs like a proper RAW file (EXIF data for lens correction or ISO values, standardized white balance control, etc). Without that functionality, I'm simply not interested in storing or sifting through GBs of video footage when I can just grab the shot with a few simple stills and move on.


A simple comparison of sensor technology: Nikon vs. Canon (external link)
A technical comparison of sensor technology: Exposure Latitude (external link)

  
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Nov 01, 2014 01:32 as a reply to  @ mclaren777's post |  #8

well the other option is to continue to shoot stills when you want to and then switch to video when you want to.


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Nov 01, 2014 01:42 |  #9

mclaren777 wrote in post #17245022 (external link)
I did.

Yes, video footage can be shot in a raw codec, but that doesn't mean Lightroom is going to handle framegrabs like a proper RAW file (EXIF data for lens correction or ISO values, standardized white balance control, etc). Without that functionality, I'm simply not interested in storing or sifting through GBs of video footage when I can just grab the shot with a few simple stills and move on.

So, don't record it as a video file then. Instead, record each frame as a separate file and treat it like an action camera that can shoot at 25fps.

Besides, the OEM RAW converter is bound to have the white balance controls, lens profiles, etc. necessary for working with the video RAW files.

With regards to resolution, your 16-22MP images are going to look pretty crummy when 8k displays which can handle high-resolution images become common and everyone is shooting at 32MP (for action) to 54MP or higher (for non-action).




  
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Nov 01, 2014 02:21 |  #10

first off the camera has to give you that option. storing each frame as a single file. it would be very unlikely that would be an option.

Also the work flow for taking frames out and using it as a still image is different and it's a major shift for people.

If you are going to capture sports where you want to freeze the frame then your going to have to better than 25/30fps More than likely at 60FPS or faster.

Your 8K dream is a little way off me thinks. 4k displays are only now coming into a price range where it's more than just the professional would use. The amount of data required to capture 4K video, esp raw is very large.

if I use this calculator http://www.hdslr-cinema.com ….940&cust_%0D%0​Afps=&s=60 (external link) to figure out files sizes and capture raw, 8-bit, 59.99secs of video, uncompressed is 1.7 GB.

I would hate to think what size 8k file would be for 60secs if video.

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Nov 01, 2014 02:43 |  #11

Shadowblade wrote in post #17245036 (external link)
...treat it like an action camera that can shoot at 25fps...

...your 16-22MP images are going to look pretty crummy when 8k displays...

To your first point; my time is far too precious to sift through 50 individual files trying to figure out which was the best frame in any two-second window.

To your second point; no they won't. Printed images are still going to look great and the vast majority of people are still going to look at digital files on 5" to 15" screens.


A simple comparison of sensor technology: Nikon vs. Canon (external link)
A technical comparison of sensor technology: Exposure Latitude (external link)

  
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Nov 01, 2014 03:59 |  #12

Mark0159 wrote in post #17245052 (external link)
first off the camera has to give you that option. storing each frame as a single file. it would be very unlikely that would be an option.

Wouldn't be a difficult hack for the likes of Magic Lantern - all the required hardware, firmware and software would already be in the camera if it can shoot both stills and video. It would just require a small firmware hack to get it to save a video sequence (which is, after all, just a series of stills) as stills rather than as video.

Also the work flow for taking frames out and using it as a still image is different and it's a major shift for people.

So was going from the darkroom to digital. People managed that just fine.

If you are going to capture sports where you want to freeze the frame then your going to have to better than 25/30fps More than likely at 60FPS or faster.

Nope - it depends on the shutter speed, not the frame rate.

Normally, 25-30fps video uses a shutter speed of 1/40 to 1/60, giving each frame some motion blur that makes the video look smooth. Shoot at 1/1000 and 30fps and you'll get choppy video. But if the intention is to get stills rather than video, there's no reason you can't shoot at 1/1000 and 25-30fps for sharp frames without motion blur. Just don't use the two-second sequence as a video clip.

Your 8K dream is a little way off me thinks. 4k displays are only now coming into a price range where it's more than just the professional would use. The amount of data required to capture 4K video, esp raw is very large.

Yet Sony are making an SLR capable of 8k, in time for the next Olympics.

It didn't take very long to go from 1080p (2k) to 4k. 8k is the next increment up.

if I use this calculator http://www.hdslr-cinema.com ….940&cust_%0D%0​Afps=&s=60 (external link) to figure out files sizes and capture raw, 8-bit, 59.99secs of video, uncompressed is 1.7 GB.

I would hate to think what size 8k file would be for 60secs if video.

8k would be four times the size.

Computers get faster all the time. If you want the quality, you need the data.




  
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Nov 01, 2014 04:06 |  #13

mclaren777 wrote in post #17245056 (external link)
To your first point; my time is far too precious to sift through 50 individual files trying to figure out which was the best frame in any two-second window.

If you're shooting a lion pouncing on a gazelle or a footballer kicking a goal, you want an exact moment - not a frame early or a frame late. Scrolling up and down through a sequence of frames from an action burst to find the best one (and two seconds with the 1Dx gets you 28 frames) takes all of ten seconds.

To your second point; no they won't. Printed images are still going to look great and the vast majority of people are still going to look at digital files on 5" to 15" screens.

I'm sitting in front of two 30" screens at home now. My TV is 78". I have another 40" display panel on my wall. My laptop is 17". I make prints anywhere from 20x30" to 40x120" wide. Resolution certainly matters for large prints. Once 8k displays start finding their way into TVs, computer monitors and other non-smartphone/tablet displays, resolution will certainly matter for them then.




  
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Nov 01, 2014 04:48 |  #14

Shadowblade wrote in post #17245097 (external link)
Wouldn't be a difficult hack for the likes of Magic Lantern - all the required hardware, firmware and software would already be in the camera if it can shoot both stills and video. It would just require a small firmware hack to get it to save a video sequence (which is, after all, just a series of stills) as stills rather than as video.

So was going from the darkroom to digital. People managed that just fine.

Nope - it depends on the shutter speed, not the frame rate.

Normally, 25-30fps video uses a shutter speed of 1/40 to 1/60, giving each frame some motion blur that makes the video look smooth. Shoot at 1/1000 and 30fps and you'll get choppy video. But if the intention is to get stills rather than video, there's no reason you can't shoot at 1/1000 and 25-30fps for sharp frames without motion blur. Just don't use the two-second sequence as a video clip.

Yet Sony are making an SLR capable of 8k, in time for the next Olympics.

It didn't take very long to go from 1080p (2k) to 4k. 8k is the next increment up.

8k would be four times the size.

Computers get faster all the time. If you want the quality, you need the data.

yes, if I was a working pro I would rely on a hack to get features out of my camera that the manufacture didn't put in to place. I don't think so. I wasn't aware that you know the finer points of camera development and have the required programming skills to know that it's just a small hack.

The leap from going from film to digital isn't that big and it's much smaller than going from still photography to film photography. You would find that as digital photography taking off working photographers were already scanning photos in to photoshop and making changes. Digital is going straight from camera to photoshop by removing the film work flow.

However sorting out 3,596 single frames compared to a few hundred for a shoot is completely different. (just in case you are wondering that's 1 minute of footage shooting at 59.95FPS) If your a working photography you would want to make sure that you are covering all your bases. If you where shooting at 1/1000 you may find that 20fps or even 30fps may not give you the frame your after. more frames the more chance you have got to select the correct single frame.

If your going to do a wedding and your client wants a nice picture for the wall, you are going to be shooting video all day. that's 215760 still frames your going to have to look.

so what's the point in shooting video just for stills. if your doing a wedding, why have two cameras shoot video for stills and then do another season for the video footage. You would want to capture both at the same time. choppy video isn't going to cut it.

yep why shoot in 8K when 12k just around the corner. it's all about data, memory, transfer rates and time. as a working photographer your time is money. that 1 hour of video footage is 6.1 TB of disk space. the camera has to process that, write that too a card. you have to take that card and transfer from your PC and then load in to your video editor. Everything may be getting faster but at the same time file sizes are getting bigger.

it sounds good to get stills from video and call it a day. For some that's fine. However there is always going to be still photography. Photography power is that the decisive moment, a single frame of something without the knowledge of what became before it and what came after it. it's power is different than video. with video you can see a series of events unfold but you take a photo from that event and that's even more powerful. people will stop and look at a photo longer than the video itself. Photography gives us the ability to see something we wouldn't normally see in a way that we can't see it. When I hold the camera up to my eye I just don't want to record video I want to record that single frame.

Like any technology you have to ask yourself how to you want to capture the images that you want. I know I don't want to shoot video to capture a single frame. I'm not in making videos, I'm in to making photographs. While the technology may merge and give us the ability to do work this way I would question how many people would.


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Nov 01, 2014 05:28 |  #15

Mark0159 wrote in post #17245113 (external link)
yes, if I was a working pro I would rely on a hack to get features out of my camera that the manufacture didn't put in to place. I don't think so. I wasn't aware that you know the finer points of camera development and have the required programming skills to know that it's just a small hack.

If you were a working pro you'd know you use whatever works and gives you the result you want, not whatever the manufacturer tells you you can have straight off the shelf.

The leap from going from film to digital isn't that big and it's much smaller than going from still photography to film photography. You would find that as digital photography taking off working photographers were already scanning photos in to photoshop and making changes. Digital is going straight from camera to photoshop by removing the film work flow.

Going from messing with darkroom chemicals, enlargers, doing a manual unsharp mask to doing everything on Photoshop? That's a huge change in workflow.

However sorting out 3,596 single frames compared to a few hundred for a shoot is completely different. (just in case you are wondering that's 1 minute of footage shooting at 59.95FPS) If your a working photography you would want to make sure that you are covering all your bases. If you where shooting at 1/1000 you may find that 20fps or even 30fps may not give you the frame your after. more frames the more chance you have got to select the correct single frame.

30fps will give you a much better chance of getting the exact moment than 14fps. And one minute of footage will give you a lot of bursts - 60 1-second bursts (14 frames on a 1Dx) or 120 0.5-second bursts (7 frames on a 1Dx). Only that, instead of 14 frames, you're getting 30, and instead of 7 frames you're getting 15.

If your going to do a wedding and your client wants a nice picture for the wall, you are going to be shooting video all day. that's 215760 still frames your going to have to look.

1. I am specifically talking about high-speed, high-frame-rate action photography (sports and wildlife), not weddings or other general photography.

2. I was also specifically talking about using an 8k-capable camera as a still camera to capture the exact moment, in the manner of an action still photographer. In other words, shooting half- or one-second bursts at the right times, not taking 5 hours of video and selecting single frames from that. Using the same shooting style, you'd end up with around twice as many frames as you would with a 1Dx, not 200000 or whatever. Not that shooting video and taking individual frames as stills would work anyway. The shutter speeds for video vs action stills are very different. You'd either get blurry stills or choppy video.

so what's the point in shooting video just for stills. if your doing a wedding, why have two cameras shoot video for stills and then do another season for the video footage. You would want to capture both at the same time. choppy video isn't going to cut it.

The point is, you're not shooting 'video' for stills. You're shooting stills at 25fps to capture split-second moments. The videographers can worry about the video side of things. And you probably wouldn't use it for a wedding either. It replaces dedicated action stills cameras (D4s, 1Dx), whose full 14fps capability isn't needed for a wedding, not general-purpose or ultra high-resolution stills cameras.

Sony is making a DSLR which can shoot 32MP images at 25 or 30fps. If the 1Dx2 (or whatever the replacement for the 1Dx is called) could do that, many action photographers would be jumping for joy. But call the same thing 'video' and, suddenly, it becomes a terrible, useless thing?

yep why shoot in 8K when 12k just around the corner. it's all about data, memory, transfer rates and time. as a working photographer your time is money. that 1 hour of video footage is 6.1 TB of disk space. the camera has to process that, write that too a card. you have to take that card and transfer from your PC and then load in to your video editor. Everything may be getting faster but at the same time file sizes are getting bigger.

A few years ago, they said the same thing about the 1Ds2's 16MP. Then the 5D2's 21MP. Then the D800's 36MP. They said it about 1080p. Then they said it about 4k. Now they're saying it about 8k.

Your computer, storage and other parts of the workflow are just as much a part of your photographic system as your camera and lenses. They need to be kept up-to-date too. The technology is there.

it sounds good to get stills from video and call it a day. For some that's fine. However there is always going to be still photography.

I'm a landscape photographer. Of course I know that.

But it doesn't matter *how* you get the stills. What matters is that you do get them, and that they are of as high a quality as possible.

Photography power is that the decisive moment, a single frame of something without the knowledge of what became before it and what came after it. it's power is different than video. with video you can see a series of events unfold but you take a photo from that event and that's even more powerful. people will stop and look at a photo longer than the video itself. Photography gives us the ability to see something we wouldn't normally see in a way that we can't see it.

A single frame taken from a video clip isn't video. It's a still image. It doesn't move. You don't see a sequence of events, just a single image. Just like a 32MP image taken by a 'still' camera shooting at 25fps isn't video, but a timelapse taken at 1 frame every 5 minutes by a camera on a tripod becomes a video once you put it all together.

When I hold the camera up to my eye I just don't want to record video I want to record that single frame.

If only I had your perfect reflexes.

When you see a lion leaping on a gazelle, you want an image of a split-second event. Trouble is, it takes time to go from seeing the event to pressing the camera button. Average reaction time is 0.3-0.5 seconds. By the time your finger has actually pressed the button, the event is long over. That's why action cameras can currently shoot at 14fps. And that's why 25fps would be even better - there's less chance of the key moment being caught between two frames.

Like any technology you have to ask yourself how to you want to capture the images that you want. I know I don't want to shoot video to capture a single frame. I'm not in making videos, I'm in to making photographs. While the technology may merge and give us the ability to do work this way I would question how many people would.

I make still images as well, not video. I use whatever technology and whatever techniques that will give me the final image I want. For long exposures, particularly of star trails, image stacking is a wonderful thing. One could argue that's basically using a video sequence (albeit shot at a very slow frame rate) to produce a final, single still image.




  
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