
2 hours ago
|
|
Francis Sawyer
Lives in
Joined on
Sep 23, 2004
|
Cy Cheze: 4k video will be available in $300 consumer models, soon enough. People will shout, "Hey, must have!" But then they will discover that 4k video demands perfect lighting, oceans of memory, 250mpbs bitrates, a $20k viewing screen, and dermatological enhancements--all for the sake of an image that looks the same at usual viewing distance. 4k video also demands a tripod, or super-duper stabilization, or any advantage is lost. The ability to crop 4k video might be attractive, except that the CPU and rendering time requirements are substantial. Easier to shoot with two mere HD cameras: one long, the other wide.
" they will discover that 4k video demands perfect lighting, oceans of memory, 250mpbs"
Perfect lighting? NO. Why would the resolution change the necessary lighting?
Your bitrate comment is on the money, but sadly people will gobble up fraud "4K" at 5 mbps the way they gobble up bullshìt "HD" at the same bitrate.
Antony John: Seems like Canon are still leading the way with video in SLRs.
Congrats to them from a Nikon user.
Whatever gripes some have it's better for the industry as a whole that some companies keep 'pushing the envelope'.
Canon led the way years ago and then gave up. They still don't have real downscaling of their images for video; after years of development time and complaints, they're still using line-skipping and producing video with hideous aliasing and moire.
And they're still shooting to crappy codecs with decimated color information at laughable bitrates. Canon was the manufacturer that other video-camera makers were worried about. Not any more. They blew it, hard.
Sad Joe: 4k is the future - unlike the poor current 3D systems. Yep - roll on 4k at bargain prices - sure to come just before 4K 3D !!
No, shitty, pathetic-bitrate, compressed-to-hell crap being peddled as "4K" is the future, just as sham "HD" is the norm today.
Take a look at the "HD" on YouTube. You're going to get the exact same garbage blown up to "4K", at the same sorry bitrate.
"SVGA"? "XGA"? What year is this?
State resolutions IN NUMBERS. Not the alphabet soup that died out in the early '90s.
Joe Ogiba: So 15/12 fps is a new video standard ? I guess if you are making a Keystone Cops movie it's ok but I would stick with 1080p60 for any action shots.
"They do a lot of time lapse imagery."
Doing time lapse with this POS would be incredibly dumb, when you could get a point-&-shoot for less money that would kick its ass by a huge margin in every way.
Corwess: European GoPro Fans are all Pi**ed!
Why? 449 EURO = 585.16$
50% higher in Europe than the US.
GoPro used to have Prices and now they serioussly started to Pi** off people big time!
Its a good camera. But to expensive!
Dear GoPro really?
"There are NO TAXES in the USA for these things"
Is that supposed to be a joke?
ferroz: I only have Canon EOS 1110D . But I can do lot of things from it. Awesome shots and trick pictures. Get more artistic pictures with fantastic ideas at; http://tinyurl.com/trickphotographyspeffects
Shove your spam. Again.
Moronic. They add this useless "4K" instead of a decent bitrate.
These cameras record garbage-quality images. They use excessively high-resolution chips and pathetic bitrates. Same boring mistakes, over and over.
silentstorm: What kind of standards is CEA upholding???
Last i studied form my text books, 4k resolution is referred to horizontal resolution having 4000 or more pixels. 4096 is what i understood from Zeiss research decades ago.
Why is 3840 consider 4k resolution????? So that makes 1920x1080 a 2k video standard too??? WHAT A JOKE!!!!
Is our standards getting lower?? Or did someone goofed?
"1920x1080 is "2k" in digital cinematography"
No it isn't.
"So they're not calling 1920x1080 "2k""
He didn't say they were. He said it's AS IF they were.
Robert Eckerlin: What I would have really loved: a standard for TV and PC Monitors (and other display devices?) that sports a similar colour and contrast quality (or even a higher quality?) as the new iPad Retina displays ...a standard that ensures that photo colours/contrast can be easely rendered (without device calibration) in the same way on all display devices that support that new standard.
I do not care at all about UHD.
What does color and contrast have to do with resolution? Nothing. You're drawing pointless parallels with the "Retina" display.
wus: Again, as already when introducing the HDTV "standard", the industry association fails to specify a minimum frame rate.
1080 @ 24p is already ridiculous, before we move to 4K we should really introduce a higher frame rate for the standard 1080p material that renders fast movements sharp AND smooth. IMHO this is much more inportant than increasing the resolution.
After trying 24, 30, 50 and 60 p with full HD resolution I would think the minimum should be around 72 fps. And for any upcoming 4K standard we should aim at a minimum of 100 fps, and 200 fps for 3D material so that the effective frame rate for full 3D reproduction remains at 100 fps.
24 FPS is too low, but 48 is fine. Beyond that, and you're bloating the hell out of the data payload for diminishing returns.
We can't even get HD at 24 FPS with a decent bitrate. 4K? HA HA HA.
Once again let's go with some wack dimensions that don't match anything currently used in Hollywood. Why require 4096 pixels across? Eh, 3840 is good enough. Nobody will notice a 6% degradation, when the compressed dog crap they're watching only delivers VHS resolution anyway.
16:9 didn't match anything being used on feature films either, but did that stop the geniuses setting the standards? Nope.
And of course there's the issue of bitrate, which makes almost everything called "HD" today a fraud. Just wait until you see 4K at 3 Mbps.
munro harrap: What can move that many pixels at a fast enough refresh rate? It wont be workable for 20 years. There will be enormous problems with noise and lag and rolling shutter etc on any capture devices, but, that said there is now going to be a screen with enough resolution to exhibit my stills on, or yours in a museum or gallery- the way they should be seen
This has nothing to do with noise, lag, or rolling shutter. What do you think movies are typically shot on now? Yep: 4K cameras.
ferroz: Ultra HD. Tech will keep on inovating. After few years Ultra HD would flush out.
Awesome shots and trick pictures. Get more artistic pictures with fantastic ideas at; http://tinyurl.com/trickphotographyspeffects
Go ahead and shove your spam.
I wish Canon would make 35mm and 50mm pancake lenses on par with the 40mm. The 6D with a pancake wouldn't be too big.
The 40mm is half-assed: It's not a normal lens OR a wide-angle lens on either APS or full-frame.
Rory Lambert: Secretly the 6D is a PRO camera! The marketing is aimed to increase sales among non-pros, but pro shooters (and smart students) will snap these things up!
Two major markets that people are ignoring here: Serious Photo Students and High-End DSLR Video shooters.
1. Serious Photo Students (or self teaching photographers). Not just any photo student, but the ones that buy a beaten full frame body so they get their image quality and still have money for prime lenses. Lighting is natural or off camera flash. Think landscapes and portraits.
2. High-End DSLR Video shooters. Full Frame image quality is key. When a 50mm lens on a full size chip leans towards telephoto you tend to hate it if your 14, 20, 24, and 35mm primes loose their powers.
Focus is 99% manual. I could care less if the thing can auto focus at all. The amount of pro video work shot on the MKII would shock people. I'm talking Discovery Channel, Nat Geo, BBC, commercial work ect.
Lower-megapixel + full chip = IMAGE QUALITY.
"High-End DSLR Video shooters. Full Frame image quality is key."
Full-frame is not good for video. A 35mm MOVIE camera creates an APS-sized frame, because film runs through a movie camera vertically.
A full-frame still camera has excessively shallow depth of field, making it hard or impossible to keep moving subjects (or multiple subjects) in focus in lower-light situations. So any extra light-gathering capability of the larger sensor is squandered, because you have to stop down to keep anything in focus.
Also remember that Canon uses miserable line-skipping to generate HD-sized frames, instead of legitimate downscaling. Then these heavily aliased images are compressed to hell at low bitrates and an interframe codec.
The best thing that Canon could do is give us a full-frame camera that shoots video with an APS-sized crop in the middle of the sensor. But that would require way more common sense than Canon has ever shown in the realm of moving pictures.
pixelcollector: where is the flippin' E-P4/5 ?
this is not cutting it. cheap looking design, subpar lcd res.
Where
cheap-looking
LCD
This
Fixed that for you.
Sergey Borachev: The lack of an orientation sensor is so annoying!!! Seriously,such a small feature and yet not corrected even in the third generation model! I don't care about other missing bits as they are trivial in a small camera, but this problem means thousands of extra but unnecessary clicks, presses and work.
The E-M5's sensor is however going to make it irrestibile though.
Almost as annoying as cameras that have orientation sensors but don't encode the images in the proper orientation. They merely take all the pictures in landscape and set a flag that every piece of software is supposed to check. Asinine.
Andrew Butterfield: Very confusing model names Olympus are coming up with these days. They haven't got why Apple are so succesful. It's all down to model-name simplicity.
Apple isn't exactly showing good sense either. They've abandoned models entirely. The iPad 3, for example, isn't called the iPad 3. It's just "iPad." Stupid.
It's about as dumb as their expectation that users will know when their computers were manufactured, years after the fact. "This is compatible with late-2008 MacBook Pros and later." WTF?
Dougbm_2: Now the NEX series is starting to make sense with this compact power zoom. Hope the evf has less of the blocked in shadows that the NEX 7 has. Look forward to the NEX 8.
Power zoom is ridiculous. Now you get no zoom ring. You get to wait for the camera to turn the lens to where you want it, instead of giving a ring a quick twist. And it wastes battery power.