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The Big Thing
  • I and development team of Personal-view.com community are glad to announce.

    Since today we are going to directly participate in design and development of system cameras firmware for selected cameras produced by Panasonic Corporation, and DSC Business unit specifically.

    Such progress had become possible due few key decisions made by Seiichiro Sano, Shiro Nishiguchi and other top managers in February 2012. We had been in touch whole March and information obtained during this period, as well as new direct communication that we had, are really invaluable. I want to express my special thanks to Ichiro Kitao and Michiharu Uematsu.
    As well as to our direct contact and lead of Venus Revolution team - Yukio Ito.

    I could hardly wait last days, but announcement could be made only today, due to the starting of new financial year for Panasonic Corporation and Senior Management changes completion.

    Feel free to ask me questions and I'll try to answer them as good as I can (taking in account signed NDA).
    Yukio Ito will join me here, answering questions, on Monday.

    P.S. Jump to pages 6 and 7 and look at videos for more details.

  • 437 Replies sorted by
  • Almost 1 year ago...

  • Does all this have anything to do with 'AVC-Ultra'?

  • Has VK ever said it wasn't april fools? ;)

  • @thepalalias

    "I have said it before and will say it again - I really do not understand why people would do timelapse at 1920x1080 when they can easily shoot it at higher resolution with more felxibility on the same camera."

    Yes the 40fps SH has LOADS more resolution and it's probably a great tool when coupled with an intervalometer, but AFAIK it won't allow shooting slower than 1/40s (think low light and fast motion). That can be a serious issue for some.

  • May be he needs higher bitrates to his ;-)

  • i think not :(

  • Congratulations !!! This is BIG. You deserved it. There's hope for GH cameras now. I hope filmakers will have a good picture style on GH2-3 as EOS have Cinestyle !

  • @joesiv,

    I agree this thread is past April 1st. I am starting a new thread on a request to remove restriction on electronic shutter burst mode.

    Thanks.

  • @tinbeo, mate I'm not understanding you sorry?

  • @rambo: Were all bitrates back to your yet ;-)

  • @thepalalias actually, it's more commonly called a "leaf shutter" and no problem, I think it's a common thing to think that compact cameras don't have shutters, but they do!

    @Dusty42 I think this thread has run it's course, as it's no longer april 1st, maybe I'm wrong. Regarding leaf shutters, if you look into any compact camera's lens (besides that ones that DO use electronic shutters which are rare), you will see the aperture shut to the chosen aperture during capture, and then fully close after the exposure. This is also why compact cameras with leaf shutters have different maximum shutter speeds depending on the aperture selected. Wider apertures do not have as quick a shutter speed as smaller apertures since the aperture blades have to close a greater distance.

  • I'm thinking this thread needs the two vidos posted in a last post and then the thread closed, i don't see anything more to gain here.

  • @Dusty42 Nope - click at higher frequencies, not at all like focusing noise and not low rumble or low crunching sound. Just put it to my ear and checked. 4 clicks for 2 exposures. I verified that both beep and shutter sound were muted right before.

    Anyway, as far RAW for SH mode, I have nothing against adding that feature, I just was not planning on using it. :) Best of luck with it.

  • Late to the party but those were hilarious vids, and totally fixed an otherwise lame April Fools day. Thanks VK!!!!

  • @joesiv, Yes it's the sound of the aperture that you hear on "compacts". However, the aperture does not act as a shutter; this is similar to DSLR in a way. On a DSLR, when you set the shutter speed and aperture, the lighting you see through the VF does not change. The change happens at the instance the shutter button is pushed fully. The aperture sound is masked out by the shutter. This is the same for compacts except there is no mechacal shutter. The aperture stops down to the specified value and the info is read off the sensor. Aperture never shuts off the light completely like mechanical shutter. The shutting off of light is done electronically in compacts. If you were to push the stop-down button (not shooting) on DSLR, you would hear the aperture sound. This is the sound that @thepalalias hears, I believe. It's a low crunching sound is the best I can describe it.

    Any way this exchange of ideas and thoughts is leading us away from the main point. Requesting Vitaliy to put in a hack to remove the restriction on the file size in High Speed Burst mode (SH) to shoot RAW. I am sure that Vitaliy's approach is consistent in implementation, from what I have seen so far. You can choose to use the hack or not to use the hack. Same as the ISO and the 30" restrictions.

    Thanks.

  • @mpgxsvcd @dusty42 That type of moon shot is exactly why I wished the SH burst mode included EX tele-converter capability. I always had to switch to video mode when I wanted to zoom in more. Anyway, I shot mine with a 600mm f/4 Canon L series with EF III 2x converter and then in EX24 and EX SH mode (so with an effective aperture of f/8.0) last December. It was heavy to carry it along with my other gear to Mt. Hollywood but I really enjoyed the pictures and videos of things 5 to 8 miles away, as well as the moon and clouds.

  • @joesiv Thank you, I could not remember "iris shutter" I kept hearing "elliptical shutter" in my head and knew that was not right. :)

    Anyway, as I said: the TZ5 shutter lasts a really long time recording 7.5 MP photos in its normal burst mode.

  • @Dusty42 Even if we work under the assumption that the TZ5 has an electronic shutter (and I am neither saying that it does or does not) it does not have a silent shutter, just a very quiet one. Because each time there is an exposure, regardless of whether you shoot with every sound disabled, there will be a click that is rather quiet.

    I would not try to analyze it by the rated shutter life. I would go out and shoot 3,000 to 8,000 exposures a day with my 50D for timelapse HDR or straight timelapse for months and be fine - one week in Decmber I had 21,000 exposures or more on each of the following 3 cameras: 50D, GH1 and GH2. Each of the two times I had my shutter drive assembly replaced they commented on how far past the specified life it was on that 50D. These are conservative ratings (as they should be) much like the MHz or GHz ratings CPUs are given when bin sorting: the problems are much bigger if over-rate than under-rate.

  • @Dusty42 Most compacts do not have an electronic shutter, though they don't have the same shutter as DSLRs/mirrorless cameras. What they have is called an iris shutter, which doubles as the aperture control, and it is located in the lens' it's self. The difference is that it can be much much smaller, and thus much much quiter.

    DSLRs, have what they call focal plane shutters, or curtain shutters, but they also have a mirror that needs to flip up and down. This whole shutter/mirror is why they are not as durable as compacts, and have limited life.

    Mirrorless cameras such as the microfourthirds cameras have the same shutter as the DSLRs but no mirror. In terms of durability, they should be more durable than consumer dslrs, but they are unrated, and I don't believe anyone has done extended tests from them.

    The problem with fully electronic shutters (global shutters) is that there is image quality compromises with existing technology and is much more challenging with CMOS technologies, typically manifested as blooming, where over exposed photosites will contaminate surrounding photosites. The fuji x10 exhibits this to great effect and is currently being hammered by press and users.

  • @Dusty42 Next up, SH burst mode framrate vs 80% framerate. Both are completely fixed - the 80% mode does not remember what mode you were in and if it did, a lot of people would already be shooting slow-motion with it. I routinely switch from SH mode to 80% mode and from 24H to 80% mode and it is always the same number of FPS, believe me.

    From an ergonomic standpoint, if it were related to the current shooting mode you were in, it would likely be modified from another button or menu screen or be a drop down menu under you current mode (like 80%, 200% and 300% currently are under VFR but under the Cinema and other modes instead).

    Anyway, none of the rest really matter. The fact is that the factory max for video modes is 30 fps at 1080P and 60FPS at 720P, unless you use 40FPS SH burst mode.

  • @Dusty42 I will address the rest of your post later, but believe me I do know how to configure a camera. :) Every sound was set to silent in every menu - this was a faint but clearly audible sound once you picked up on it. I know what a speaker sounds like - I was a consultant for a custom speaker company in the past. :)

  • To those who like to misread what i wrote : i stress that i like the Hitler videos. They're hilarious. But i don't understand why they are considered funnier with a buildup leading to april 1 (i like them anyway, not in an april 1 context). Maybe it's because i'm no fanboy, that i don't understand the excitement. I only see how pranks like these mess up google for years to come. Anytime you'd need to do a specific search on the topics discussed here, and you wouldn't find the source of this joke, you'd still think something like this was real. I regularly encounter this for instance with trying to find info on 4K dslrs (which right now may be far-off but maybe next week they might not be) and i kept finding last year's YouTube loser who wrote you could turn a 550d into a 4k cam. I know this is not true, but then it does keep showing up in Google when trying to find anything on a 4k dslr. Why would you need to make fun of the fanboys? (Which i feel are being taught a lesson only cause you have a saviour's complex. Just ignore them.) April fools is a lame kind of humour imo. In this case because it exploits the stupidity of the fanboys. The Hitler videos however are brilliant.

  • @Dusty42

    I take care of noise by shooting with an extremely fast focal ratio scope. I am shooting with a telescope that is capable of being a reliable 600-4000mm F3.0-F20.0(1200-8000mm in 35mm terms) lens. That is quite a zoom range! It won’t fit in your pocket though.

    P1020348_resize.JPG
    600 x 800 - 155K