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ND64

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Everything posted by ND64

  1. Much better? Mark1 at ISO 1900: 9.24ev Mark2 at ISO 2800: 8.66ev so for half stop higher ISO, gives you half stop lower DR. seems very close to "equal", not "much better".
  2. Here is the pixel level SNR graph for 6D vs. 5Dmark4 There is only half db difference at almost any ISO setting. and its DPR studio sample Yes, 5Dmark4 is a bit noisier but not more than what 0.5 db indicates. Actually that's relatively good for its pixel size.
  3. The biggest clusterfuck of 2016 was Syria, where thousands of people, including many photo/video journalists, died and the world did absolutely nothing.
  4. Ignore their overal score, its BS. but their DR measurements are accurate and reliable. RED should be honest with their customers, 15.2ev means only 12 stop of "usable" DR (check here yourself: www.photonstophotos.net/Charts/PDR.htm), and its only true at base ISO. Where did those 18 stop claims come from?
  5. This h.265 "same quality for half file size" slogan is just true about ridiculously low bitrates, above 100Mbps you gain nothing over h.264 quality wise. Kaby Lake encodes/decodes it with full-hardware acceleration, but we don't know yet how efficient it performs the job compared to doing the same with h.264. and just because hardwares are ready, doesn't mean softwares are also ready to use them to their full potential. I think 400Mbps is not enough for 48fps. since its ALL-I, for every frame there is only 1MB room. Its a bit low for a 9 megapixel image.
  6. People think pixel binning generate less heat due less resolution outputs, but all the pixels that gonna be binned need to stay active, which means constantly holding and transferring electrons. so in full frame mode, its supposed to overheat sooner than super35 mode in which even less than half of sensor pixels are active.
  7. I think Nikon applies different color curves in different WB ranges (maybe Canon is doing similar thing too). We don't know these curves well and where exactly they come into play. they intentionally shift some hues as WB changes, to make the image look Ok. so AWB in these cameras is not just about accuracy.
  8. ND64

    Nikon Customers

    Most of decoders have issues with non standard resolutions.
  9. Well, I dont watch movie "outside during a sunny day". 10000 is too much in a relatively dark room. Its like 10W LED torch flashing unexpectedly right in front of your face, while your pupil is still wide open. Besides, its not commercially feasible yet, and probably won't be in next ten years. You have three wrong assumptions there, first you think HDR is only defined by a group of cine-geeks in Los Angles, and they're the only ones who determine what is HDR and what is not, based on their wishful standard. BUT, they just set their own limits, their own road map. they don't write bible. Second, you think 15 stop is always necessary. No it's not. in almost 95% of situations, the whole scene is fully covered by only 9 stop. We don't always point our lens towards the sun. Third, you believe C300mark2 is a 15+ camera! Sorry, its not true. Lecture us as much as you want about its color science, but DR? No Thanks. The king of low noise floor in DXO list is Nikon D810, and its just 14.8ev at miraculous ISO64, but "useful" DR is only 13.5. because they measure down to 1:1 SNR, which means the floor where for every piece of data, there is equivalent piece of noise, which means garbage quality. in big-pixel sensor, it tends to be even worse. I think RED and Canon use some temporal noise reduction tricks to clean that, but as any NR practice, sacrifices resolution and color accuracy.
  10. If I remember correctly Philips research showed that people can't tolerate 10000 nits. Yes its breathtaking for first minute, but after that you feel its destroying your eyes. 4000 was acceptable, and 2000 was most preferred. At the moment, we only can do this to future-proof our work: Shoot log, 10bit, widest color gamut available. Underexpose to save the highlights but be careful that unavoidable clipped highlights stay very small part of the whole image area.
  11. I'm really happy that people are no longer interested in dedicated camera.. tourists (who have no clue what exposure is) holding DSLRs set to Auto mode.. it was always like an insult to me. No I"m not snob or something, I just say it was wrong since the beginning. At the other hand, the company that makes gears I want, is so dangerously addicted to consumer market cash flow, and has no clear plan for healthy less- painful transition.
  12. If you saw 90% of liberal MSM was hoaxing, shamelessly make up stories, obviously lie, constantly fear mongering, and silencing any opposition with racist and sexist labels, and you realized we need to revolution just after seeing one single wrong headline in an alt-right website, you're part of the problem. Btw, did you know even Scandinavian industries are supporting Saudia Arabia military? seems not much less-ignorant nations to me.
  13. in tele ranges, optical IS works way better. Even Olympus had to admit that. You need to see "The Forbidden Room" movie. Form, determines the image quality, not the other way around.
  14. Doc fimmakers can't fill the serious exponentially widening culture gap. few days ago I was reading a debate in a comment section somewhere, one of them asked: "How you explain 11 million illegals working in the country, go to college for free, and even vote!?" The other one replied: "we shouldn't be like Canada, protecting needy people is more important that protecting laws and standards!" They're certainly living in definitely two separate worlds.
  15. After so many horribly wrong predictions about Trump, one shouldn't even try to predict anything about him again.
  16. "We can't afford such a big construction project" or "We need also a revolution in policies", is different than "Technically, Wall Doesn't Work". because it does, at least in middle east. Security barrier, never means hundred percent blockage. You build barriers to make invading slow and costly. Its 7000 years old fact. Opium is dirt cheap in southern Asia because they can transit it fast, with little effort and inexpensive. However, even if the wall is not a solution for this American problem, opposition should offer their truly working alternative. By making it a race issue (which is irrelevant), they just terminate the discussion. When discussing is systemically terminated, an opportunist has to use unorthodox narrative to put the topic on the table again. a short controversial youtube video insulting Sony enginners that fail to address color issues gets more attention that another one which tries to scientifically explain whats wrong with the log profiles and what should be done about it. Its 7000 years old tactic.
  17. Look I'm not saying its a good or bad idea, but your assumption about border walls is wrong. Israel made a huge one, and its unbelievably effective. Even Palestinians admitted its very effective, and they are master of tunnel making.
  18. Why so hate and fear about wall? Its against chaos, not against race. Besides, it will need high performance surveillance cameras for every kilometer. That alone can boost Sony's sensor sales :-)
  19. ND64

    Nikon Customers

    The next body after D5600 will be D810 replacement, releasing at CES, which will be probably 50+ MP camera. with this huge resolution, 4k without pixel binning is impossible. Though Nikon algorithm for demosaicing binned data is better than Sony's, but its still binning. With Canon 6Dmark2 rumor that certainly says "No 4k", I'm afraid Nikon follows it and keep D760 a 1080p camera. But there is still hope. Best window for announcement would be February at WPPI show.
  20. now only needs a sim card, we can easily dial phone numbers with these buttons, and talk with our client.
  21. D500 has an interesting feature in 1080 I wish they add to 4k in their future models. I don't know why nobody talks about it. You can expose to highlight, and lift shadows by about 1 or 2 stops in live view. Its a bit like log but graded straight out of camera.
  22. They gonna rape all of us with Brexit excuse.
  23. Please do a bright window test in a relatively dark room. one time expose to the window highlight, and next time expose to the room shadows. Thanks.
  24. I doubt same sensor be capable of 30fps full res read out, unless they upgrade it with LSI. However, D760 won't appear before D810 replacement. We have to wait 4 months at least.
  25. But at the same time CMOS tech reached its potential ceiling. Now its really difficult to make any progress other than incremental improvements. Read out noise is already in one or two electrons level.
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