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Type: Posts; User: Stelvis

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  1. Thread: Ground loop

    by Stelvis
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    2,719

    they can do a fair bit more than that depending...

    they can do a fair bit more than that depending on the diode and how the are combined in a circuit - eg a zener diode is commonly used to stabilise an output voltage over a large range of input...
  2. Thread: Ground loop

    by Stelvis
    Replies
    18
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    2,719

    actual integrated circuits run on either 5v or...

    actual integrated circuits run on either 5v or 3v generally, and if they get supplied with a signal even slightly over voltage they are in danger of getting fried (not at all robust to over voltage...
  3. ah then the 2nd one listed seems like what you'd...

    ah then the 2nd one listed seems like what you'd be after then :)
  4. that chip seems to be made very specifically for...

    that chip seems to be made very specifically for doing time lapse stills via LANC commands
    It could potentially work as a simple run stop controller I guess, but it would depend very much on what...
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    cDNG is an open format - it was open sourced by...

    cDNG is an open format - it was open sourced by Adobe themselves - there is no need for BM to 'pay adobe' as you put it (and even if they did that would be the very definition of 'a real licensing...
  6. I spent some considerable time looking into this...

    I spent some considerable time looking into this and and its not really viable

    the OLED screens you link to are indeed tiny but they are no where near good enough for use in an EVF, unless you...
  7. this is not really what is going on - compressing...

    this is not really what is going on - compressing to h264 is probably MORE 'power hungry' compared to saving RAW, not less.

    The reason BM cameras are power hungry is because the brains are based...
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    Heh Shijan cool update on the braking caps...

    Heh Shijan

    cool update

    on the braking caps - I'm gonna assume you looked at general guidance on moulded plastics when designing the caps?

    shrinkage or deformation due to uneven wall...
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    but technically focus IS one of the things you...

    but technically focus IS one of the things you can adjust via BT I presume? (lens dependant of course) :)
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    I know my way around fusion 360 pretty well if...

    I know my way around fusion 360 pretty well if you ever need a hand on CAD side :)

    I had been looking at similar control stuff for the micro ages ago (if you search my post history you can find...
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    I think a small DC Offfset is very unlikely to be...

    I think a small DC Offfset is very unlikely to be the problem - but transient voltage spikes on connection or disconnection is the likely culprit
  12. "I have yet to see any evidence that motion...

    "I have yet to see any evidence that motion cadence is even really a thing."

    at the risk of being controversial, its not, its complete nonsense. There is no actual physical basis for this supposed...
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    thats kind of interesting so what they are...

    thats kind of interesting

    so what they are saying is if you are using same power source for both monitor and camera where they are connected via SDI (applies to HDMI also?) you DON'T want isolated...
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    the key difference here is LOG not the codec... ...

    the key difference here is LOG not the codec...

    a stills camera shoots jpegs where the dynamic range captured is already 'collapsed' into the normal sRGB colour space and gamma curve
    the video...
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    interesting micro clone?

    "Z cam2":

    http://www.z-cam.com/e2/


    Feels very much 'inspired' by the micro but with a lot of extras on the control and output side - eg you can use an iphone for control and monitoring,...
  16. all the pro lenses from Olympus have a manual...

    all the pro lenses from Olympus have a manual focus clutch feature which makes them react linearly like "proper" manual focus (ie no fly by wire variable crap) - not enough focus throw by half but...
  17. + 100 on Philip Bloom's recent review it looks...

    + 100

    on Philip Bloom's recent review it looks absolutely stunning (apart from the OLPF flare thing that has nothing to do with the sensor itself)
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    not really - one of the the reasons a GH5s is...

    not really - one of the the reasons a GH5s is twice the price is down to the cost of making custom ASICs for processing which are way more power efficient than the FPGA's that BM use (an FPGA is a...
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    some nicework there :) maybe the battery life...

    some nicework there :)

    maybe the battery life indicator button and LED placement is not ideal though?
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    1 inch is roughly super16mm, same as the...

    1 inch is roughly super16mm, same as the pocket/micro...
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    interesting idea Shijan maybe 4*2 cells might...

    interesting idea Shijan

    maybe 4*2 cells might be better (twice the runtime and with the micro we need to power a monitor as well as the camera)
    even 3*2 could work well (ie nominal 11.6v rather...
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    potential sensor for pocket/micro v2?

    https://www.cinema5d.com/semiconductor-announces-xclass-cmos-global-shutter-4k-sensor/

    right size, 4k global shutter, 120 fps
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    Hawkwoods do actually make a relatively small v...

    Hawkwoods do actually make a relatively small v mount plate for their monitor mounts - could maybe be hacked a little into more general service for micro?
    ...
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    GA = alloy legs, GC = carbon

    GA = alloy legs, GC = carbon
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    "would certainly future proof the camera for the...

    "would certainly future proof the camera for the next decade or two at least."

    your kidding right? in 20 years we will probably all be shooting on 16k Lytros in 4 dimensions :)
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