As a shorthand way of describing them, they are sometimes called the ‘4K’ and ‘8K’ UHDTV systems. As Pawel states, the ACHTEL 9×7 camera was designed specifically for IMAX and Giant Screen productions. © 2020 All rights reserved. "2.5K" refers to resolutions around 2,500 (2.5K) pixels horizontally. This is nonsense, really. Recently announced, it features some impressive specs. They are resolution categories. Calling it "4K ultrawide" is improper usage of the term 4K, as it is a 5K resolution, not 4K. The native ISO is 800 and the internal storage of the camera can be either 4TB or 8TB. Further more there is a so called "generic term" for resolutions around 2000 pixels and 4000 pixels horizontally. The U.S. 4K TV broadcast system is referred to as. As explained at the top, "4K" isn’t a resolution. Read our full Privacy Policy here. I talked about both of these in the "But what about" section. Honestly I can't say I've ever met someone who thought 4096×2160 was "True" 4K but that other resolutions were 4K too; most people tend to think those are mutually exclusive. While it’s true that 4K UHD (3840×2160) is four times as many pixels as 1920×1080, that isn’t why it’s called "4K". Robert Silva has written about audio, video, and home theater topics since 1998. The "K" shorthand was not created by TV companies. These shorthands don’t cover every possible resolution and they were never intended to do so. all other resolutions are "fake" 4K. Robert has written for Dishinfo.com, and made appearances on the YouTube series Home Theater Geeks. if you have to insist you think for yourself, i'm not going to believe you. Because there is one for almost every thinkable combination. Also, the current HDTV TV broadcast infrastructure will not be abandoned anytime soon, even as ATSC 3.0 begins to be used for content transmission. as kilobytes, megabytes, gigabytes, and terabytes when technically for most OSes, it's kibibytes, mebibytes, gibibytes, and tebibytes with the appropriate abbreviations KiB, MiB, GiB, and TiB. [Out-of-date] Want to learn how to make your own custom Windows 10 image? 4K resolution is used in commercial digital cinema using the 4096 x 2160 option, where many films are shot or finalized in 4K by upscaling from 2K (1998 x 1080 for the 1.85:1 aspect ratio or 2048 x 858 for 2.35:1 aspect ratio). And if you don't like our newsletter, you can unsubscribe with a single click, the link is at the bottom of every newsletter. If it’s not 7.5K because you’re rounding to the nearest whole number, then 2560×1440 shouldn’t be 2.5K either!". Mostly, I suspect, because people on the internet like the feeling of knowing things that other people don't know, or feeling that they're doing things (or saying things) "how the pros do it", and believing the 4096×2160 true 4K thing makes them feel as though they have special cinema industry insider knowledge. Usually it’s assumed when you say "4K" or "5K" that you’re talking about the 16:9 resolutions since they are the most common, so when people refer to different aspect ratios they’ll usually include the aspect ratio to avoid confusion. What it will be called is for the most part just a matter of convention. There are other minor oddities like 5568×3160 being classified as 6K while 5632×2948 is classified as 5.5K, but this is somewhat expected since this naming convention does not have any "official" set of rules for determining names, it's all just convention-based. "2K" refers to resolutions that have around 2,000 (2K) pixels horizontally. "But if I can’t call it 4K ultrawide, what should I call it? Sadly, the entire thing was completely made up by consumers. HDR: Dolby Vision, HDR10, HLG — What It Means for TV Viewers, What You Need to See High Definition on an HDTV, The Differences Between Digital and Analog TV, you can find some 50 and 55-inch Ultra HD TVs for less than $500, Japan has started broadcasting one channel of 8K content, 4K resolution is used in commercial digital cinema using the 4096 x 2160 option, where many films are shot or finalized in 4K by upscaling from 2K (1998 x 1080 for the 1.85:1. Here is the relevant part of the definition of UHD: Under CEA’s expanded characteristics, a TV, monitor or projector may be referred to as Ultra High-Definition if it meets the following minimum performance attributes: https://www.cta.tech/News/Press-Releases/2014/June/CEA-Updates-Characteristics-for-Ultra-High-Definit.aspx. We should just be calling it 2160p, but nooooooo. Relatively slow volume vs high is about 20% of difference.- This 9K module is around 15K. ScottDurkin Long story short, all the articles about "4K explained" were written by a bunch of consumers who know nothing about cinema, and are based on a few Google searches for "4K" in which these writers saw that 4096×2160 was mentioned a lot (since it is quite a common resolution), investigated a little and saw that it was a DCI standard, and leapt to the conclusion that "4K" was a unique name that referred exclusively to 4096×2160 in the same way that "Full HD" refers to 1920×1080. The ITU-R Recommendation lays out the quality standards for UHDTV in two steps. Bottom line, True 4k is 4096x2160, consumer based TVs call 3840x2160 because digital cameras like the RED ONE had an option for it since it was a perfect 16:9 aspect ratio. (You might think ''1340" is just a typo for "1440", but actually it's more likely a typo for "1350", which would make it a 256:135 (≈19:10) ratio which is consistent with the other full frame resolutions listed). 2400×1350 is classified as a 2.5K resolution here. Why didn’t you look at ambarella chipset (like zcam did) but with recordable HDMI or USB 3.1/2 (4.0 now) out? Examples of this can be seen in the above section, "Examples of How the Cinematography Industry Uses These Terms". Hassan170 Q: "Ultimately a shorthand "means" whatever everyone agrees it means; if it’s universally accepted that "2K" means 2560×1440, and whenever you say 2K that’s what people interpret it as, then it DOES mean 2560×1440 no matter if it has logical basis or not!". The scales of the crops are borderline arbitrary and decided by production. Finding the right lenses is therefore currently the biggest challenge for ACHTEL. Would you believe me that I have an i7-6950x and dual Titan X Pascal in an overall 10'000$ PC? 3840×2160 is a 4K resolution. Started 15 minutes ago Fran died as my Uncle Fran (he died at 52 age on March 2018), Fran 8K died last year. PC: CPU: i5 4690k, Cooler: Kraken x61, Motherboard: Asus Z97-K, GPU: MSI GTX 1080 Gaming X, Kingston HyperX Fury Black 2x4gb DDR3 1866, HDD: Western Digital Caviar Black 2TB, SSD: Samsung 850 Evo 250GB, Case: NZXT H440 Razer Edition, PSU, Seasonic M12II Evo 620W I Peripherals: Keyboard: Ducky Shine 6 RGB Special Edition, Mouse: Razer DeathAdder Elite, Headset: Corsair HS70 Wireless SE, Mousepad: Razer Goliathus Control Extended I Laptop: MSI GS63VR Stealth Pro CPU: i7-6700HQ@ 2.6ghz, GPU: GTX 1060, Memory: 16GB DDR4 2400Mhz, HDD: 1TB+128GB SSD. Posted in Audio, By If you go up to, say 32K you're at 32,768 pixels, so... is that 33K? Terms like "1080p" and "1080p ultrawide", or "1440p" and "1440p ultrawide" work because the numbers 1080 and 1440 refer to the height rather than width, so when you have a resolution that is the same height but wider, you can still use the same number and it makes sense. it is saddening that this ratio might be forgotten about pretty soon - i got like one of the last thinkpad models that has a 1280x800 screen but the TN panel itself is sooo bad - now for every newer model there are TN and IPS versions available but they are all 16:9. People can wrongly go about calling 3840 4k all they want, I won't stop'em as it is too ingrained into their heads already but I will laugh at them every time they do. I would say, yes the further you go, the more "off" it gets, especially if you go up to "16K", where 7680 -> 15360 where it rounds to 15K, and so forth; but even 4096 you still have the same problem, but in the other direction. "...Right...". Saying "4K ultrawide" is like asking for an extra-wide 4-meter-wide table or something like that. And then there are cropped versions for the different TV aspect ratios. Also that whole '4k is 4096x2160' thing is nonsense. Yes, that includes digital projectors. On the other hand if you had higher resolutions that were maybe 7680 vs. 8192, the difference isn’t really very significant (percentage-wise it's the same as the difference between 1920 and 2048), so there’s not much point in naming them to different categories. Agreed. You need to be a member in order to leave a comment. None of them is "the one true" 4K resolution, because there is no such thing. :(', 2K means: 'Woo, dodged a bullet there. Yeah, I agree that 4k can be considered any resolution with around 4,000 horizontal pixels, but only as a colloquialism. Let’s take a short look at it. This is nonsense, really. Now i know. A resolution like 3840×2160 (a 16:9 ratio) is a 4K resolution that could also be referred to as "2160p", but this does not mean "2160p" and "4K" are interchangeable. We always use double opt-in, so please confirm your subscription by clicking on the link you will receive in an email after you hit "sign up". 4K resolution, at least the way most TVs define it, is 3840 x 2160 pixels, or 2160p. The answer is, these are casual shorthands that were not really designed to be indefinitely extensible as it were. Enquiries can be sent directly to Pawel Achtel. We deal with the exact resolutions and crops because if someone said 'This movie is 4K', that statement is followed by 'But what's the resolution?' 137 replies. I've been really confused on the 4k 2k things. honestly, i could not care less about my K score because response time, contrast/color reproduction, viewing angle and overall picture quality are way more important IMO. 1080p is the most popular configuration used today. 4K refers to one of two high definition resolutions: 3840 x 2160 pixels or 4096 x 2160 pixels. Posted in Cases and Power Supplies, By Examples of How the Cinematography Industry Uses These Terms. The advantage is, that the head with the lens can be mounted in tight spaces otherwise inaccessible for large camera bodies. It’s not worth $143,000, more like $1500. Sorry if you felt generalized. Judging from the sample clips, it seems that ARRI Signature Primes and some Sigma ART Cine lenses should work well. Ive been banned from newsshotter just cause I said the truth, the camera has not been designed by him. It features tethered head design with APS-H BSI 4:3 sensor with 9.3K native resolution. Unless you want to avoid that, you have to accept that "True 4k" really does mean 4096x2160. This means that pixels need to be increased in size, and, or spaced farther apart in order to maintain the same number of pixels on the screen. ACHTEL 9×7 is a new cinema camera designed and manufactured by Pawel Achtel ACS. While I’m here, I may as well address this one too. But a term like "2.5K" can’t just be used as a drop-in replacement for "1440p", because not all 1,440 pixel-tall screens have ≈2,500 pixels horizontally. There is no sense in which 3840×2160 is "just called UHD", or in which 4096×2160 is the "one true" 4K resolution. To put that in perspective, a Full HD 1080p image is only 1920 x 1080. For example, every 6:5 format has a far lower horizontal pixel count than its name suggests since these formats are intended to be used with anamorphic lenses, and the images will have a wider horizontal pixel count once they are de-squeezed. That is about twice as much as the maximum throughput of Thunderbolt 3. LittleCarrot You are an engineer, you know about scale of mass production affecting variable costs. 4096×2160 is not "the only" 4K resolution. As Pawel writes, they are currently testing various lenses and only few of them are able to retain the very high resolution of the ACHTEL 9×7 camera.
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