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  1. Thread: Iso 160

    by dasbin
    Replies
    13
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    4,438

    GH2 No...

    I highly doubt this has anything do with a truncation process in the camera only being affected for certain ISO's.

    It is much more likely that all you are seeing is the effect of dither. Higher...
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    1,016

    DXO reports that both Dynamic Range and Noise go...

    DXO reports that both Dynamic Range and Noise go down by the expected (linear) amounts all the way to 100 ISO, so I think it's fair to consider that "Native." Though considering the way that ISO...
  3. My FD 50mm 1.4 is the worst lens I own in most...

    My FD 50mm 1.4 is the worst lens I own in most respects. Horrible CA make it unusable in many situations at any aperture outdoors, and it's soft all around.

    But I have a FD 50mm 3.5 Macro that is...
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    5,145

    Well I don't totally understand what's going on...

    Well I don't totally understand what's going on in this chart because not everything is labeled.
    But what you said is *only* true for a given field-of-view (composition). If you match a composition...
  5. Replies
    32
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    5,145

    It doesn't actually work like that. Stepping back...

    It doesn't actually work like that. Stepping back or forward does NOT have the same effect on an image as using a different lens focal length to approximate that view. It ONLY has the same effect for...
  6. Replies
    190
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    71,519

    The ISO point is a major one. In fact, it could...

    The ISO point is a major one. In fact, it could explain most or all of the detail difference independent of codec efficiency - because the codec wants to give the most detail to sharp things near the...
  7. Replies
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    5,145

    You probably already know this, but there's a lot...

    You probably already know this, but there's a lot of half-truths spread around regarding DOF, so... The only thing to think about is FOV. For a given lens, the DOF will be identical on any camera. A...
  8. Replies
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    Fpn

    Yes it is.

    Unless you're talking about bit-depth banding, which is a codec issue, possibly a dithering one.
    But when most people talk about the "banding problem" they're referring to FPN, which...
  9. Replies
    15
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    3,343

    No, there are newer FD lenses with a black...

    No, there are newer FD lenses with a black butt-end that can just bayonet twist into the same regular FD socket. They're typically lighter, smaller, and sometimes have somewhat better optics than the...
  10. Replies
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    6,308

    Is that luminance formula supposed to be post- or...

    Is that luminance formula supposed to be post- or pre- white-balance? Or does it matter?

    Does this mean that the current RGBG Bayer layout will result in reduced luminance noise, but increased...
  11. Replies
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    6,308

    If you'll read my posts you'll see that my tests...

    If you'll read my posts you'll see that my tests have shown this isn't the whole story, and that WB actually does affect the RAW by adding more noise than necessary.
    I think some of the colour...
  12. Replies
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    6,308

    Along the same lines of thinking as lpowell's...

    Along the same lines of thinking as lpowell's post, I just wanted to contest something the author of the article wrote,

    "1. When I select a specific ISO, I have a reason to do so. I find it ...
  13. Replies
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    6,308

    I agree, honestly everything's gotten a bit too...

    I agree, honestly everything's gotten a bit too confusing, and I'm a very technical person. I hate having to think about what the camera MIGHT be doing completely without my knowledge which will...
  14. Replies
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    1,793

    Which Sennheisers are you using? Honestly they're...

    Which Sennheisers are you using? Honestly they're about as tough as they come. I sometimes use some old Shure UHF transmitters that are made of metal, but they're heavy and probably not actually any...
  15. Replies
    3,119
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    880,810

    Can you explain what this means? Since real...

    Can you explain what this means?
    Since real motion is occuring around us at a near infinitely-smooth rate, if we were to "see in 24fps," then the same would apply to when we were watching high fps...
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    1,567

    Just to clarify for testers, it appears that...

    Just to clarify for testers, it appears that these blank frames are *NOT* the same as the 192 (empty) frames we're used to occasionally seeing in 24N mode in really high detail situations. Those...
  17. Replies
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    4,040

    I agree with this... I wouldn't worry about what...

    I agree with this... I wouldn't worry about what others are going to think about what you say. We can get mad at them AFTER they screw it up :)



    I'm not completely convinced of this. Any even...
  18. Replies
    9
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    2,094

    He might be reselling educational or bulk/corp...

    He might be reselling educational or bulk/corp keys, which although the key comes from Sony would not be ethical or legal. But I'm not accusing - just saying this MIGHT be the case.
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    22,894

    Meh. Apogee has a "sound," which some people...

    Meh. Apogee has a "sound," which some people can't live without, but technically their converters have been bested by Lavry, Mytek, and occasionally some others since pretty much the dawn of time at...
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    4,040

    Ugh. Just horrible, horrible choice of wording,...

    Ugh. Just horrible, horrible choice of wording, which gives completely the wrong impression of how the patch works.

    They also changed the headline to, "Panasonic GH1 hack breakthrough 'may double...
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    4,040

    Well, in fairness, cbrandin's last words were...

    Well, in fairness, cbrandin's last words were actually this:

    But EOSHD is really taking some liberties in their stories. Especially the excuse of "going purely off what you said." That just leaves...
  22. Replies
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    22,894

    Well, I don't notice much difference to the SM's...

    Well, I don't notice much difference to the SM's with or without windscreen myself, but it probably lets a bit more high-end through. (BTW, SM58 and SM57 are the exact same mic with a different...
  23. Replies
    80
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    22,894

    Well, there are countless little USB or Firewire...

    Well, there are countless little USB or Firewire 2-channel interfaces that are very useful for this sort of thing. Just curious, any reason besides the flexibility of being able to use it in...
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    Last I heard is that it will be worked on. They...

    Last I heard is that it will be worked on. They need to desolder the firmware chip and read it manually into a computer, because Panasonic hasn't released the binary anywhere. I think that's the main...
  25. Replies
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    I don't think this is necessarily true of MJPEG...

    I don't think this is necessarily true of MJPEG with a very high bitrate hack on the GH1. If you think about it, the only areas that really need dithering are those with large blocks of near-similar...
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