Hello, I am the specialist in High Speed motion capture, and I would love to discuss this art an science with like minded individuals. As a starting discussion now some new cameras can already capture in 4K resolution at 1,000 fps or more, do you think there will be an explosion in cinema and TV making use of the 4K? Will it be a new fad like 3D was? I love shooting in high speed, it makes many things soooo graceful and yet it is more tricky to control than most other forms of motion capture. If you would like to know more then lest have a discussion And how many people are intrigued enough here to join this chat?
Cinematography : High Speed Cinematography by John Keedwell
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4K has been around and mainstream for decades. It used to be called film. Now digital 4k is finally becoming available in the home. 3D has also been around for decades and has always been fringe, rather than fad. As for 1000fps, it's just a tool which has it's occasional use.
For theatrical pictures, 4K will quickly become the rule. TV will take a little longer. For television, the current popular camera for scripted productions is a 2K camera, As UHD televisions come to market in force, the need for 4K as an originating format will grow, just as High Definition replaced standard definition. "UHD" includes not only 4k but 8K, the next step is already in early development form. Resolution is not always what people think it means. "4K" in its current common usage is misleading in that is is not a measurement of what degree of detail can actually be reproduced but the number of pixels across an image file, or the number of photosites across a camera sensor. Neither relates the number to what is actually seen. For cameras, most are using a Bayer pattern filter on the sensor that yields 2K green 1K red and 1K blue with an interpolation algorithm approximating the content of the missing information. They guess. Not the best situation when actual yields are far short of the advertised promises that said "4K". Film 4K scans are 4K green, 4K red and 4K blue. A somewhat more accurate use of the term 4K. I would think the main usage of very high frame rates will continue to be in commercials where the ultra slow motion is wonderful for some products. Also nature shows can be quite beautiful. As a broad generality, in scripted production the farther the frame rate is from standard the less frequent it's usage. Many cameras can shoot above standard frame rates, but some will decrease resolution at certain points usually because the amount of information coming to the recorder at a higher rate than something in the pathway to the recorder can handle.
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HFS or High Frame Speed is great for Ramping effects. But the size of the file makes it difficult to render, as Movies in 3D put out only 2.5K Resolution currently, people film in 6K with Dragon sensor on Red's and FPS of 120, but that is a lot of data, hence a bottleneck for now on rendering for view.
Hi. Overcranking is most interesting to me as an extension of Einstein's theories and the use of electricity, magnetism and light to capture a moment in time. This has now taken me into the realm of quantum physics and the philosophy of mathematics, so if interested in discussing this, please contact me at franz@imperialfilmproductions.com Cheers - Franz
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Films like SKYFALL shot in 2.8K and even displayed beautifully in IMAX theaters make 4K a questionable need. All the 4K projects I have shot could have been accomplished in 2K or HD. More information has some benefit in post with FX, to be sure. Temporal tests indicate 4K projection is hard to watch unless locked off... just too much in the frame to watch.. and for residential most people with normal vision cannot discern UHD from HD at normal viewing distance, average screen size. Producers will demand 4K, consumers may not. RED fanboys certainly are over it and looking to 6 and 8K :) Style trends change constantly; in 1999 half the music videos were shot lip synced at 48 to play at 24 ... then a bunch of artists did 12fps the next season. Now ultra slo mo is popular if often impractical or limited due to lighting needs. It's going to disappear. Come back to the thread summer 2016 it will be interesting to see.