Two MORE problems with plastic-bodied cameras

Discussion in 'Digital SLR' started by RichA, Oct 10, 2007.

  1. RichA

    RichA Guest

    They attract dust FAR more readily (owing no doubt to static build-up)
    than metal bodied cameras and in the sun, black plastic bodies heat up
    hotter and faster than metal bodies, even those painted black. The IR
    signature of a black painted magnesium camera is far brighter than
    black plastic cameras. Use an IR camera with a strong IR source (the
    sun) on a metal camera (black) and it can look purple owing to IR
    reflectivity. The plastic affinity for dust was confirmed by a friend
    with a D80 and D200. He reports that the D80 attracts more dust and
    although he's had both and used the D200 more, it has not needed
    sensor cleaning at all in six months, whereas the D80 has on a few
    RichA, Oct 10, 2007
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  2. Do us all a favor and *STFU*.
    Randall Ainsworth, Oct 10, 2007
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  3. RichA

    TRoss Guest

    Oh, yeah, no doubt. As long as you're going to make it up as you go,
    please continue....

    I think if you'd test that claim before you shared it you would find
    the conductive properties of most metals is much higher than that of
    most plastics, which causes most metals to heat up more quickly and
    more thoroughly than most plastics.
    Which would mean the magnesium camera is hotter than the plastic
    camera. The signature for the plastic signature could be misleading
    because plastic is a good insulator ... so the "heat" may only be

    The amount of *reflected* IR is due to the IR absorption properties of
    the material. The radiated IR, OTOH, is heat.

    Radiate =/ Reflected
    Would this be the same "friend" who took this gawd-awful photo? If so,
    dust is the least of his worries.

    TRoss, Oct 10, 2007
  4. RichA

    RichA Guest

    Haven't you got a gay wedding to photography somewhere?
    RichA, Oct 10, 2007
  5. RichA

    RichA Guest

    Have done it, using a Ratheon IR sensitive thermometer. However, I
    realized this when I was using an E-1 (metal) and an E-330 (plastic).
    The plastic got noticeably hotting in a shorter timeframe.
    Only a piece of the original file, which I stated before.
    RichA, Oct 10, 2007
  6. How much more proof than one friends report would anyone want.

    I hope Randall does a nice job on your wedding.
    Joseph Meehan, Oct 10, 2007
  7. Haven't you got a gay wedding to photography somewhere?[/QUOTE]

    And get a dictionary while you're at it...
    Randall Ainsworth, Oct 10, 2007
  8. BS SNIPPED ...

    You want us to believe that statement?
    Not Disclosed, Oct 11, 2007
  9. RichA

    TRoss Guest

    Do you believe *any* of Rander's statements?

    TRoss, Oct 11, 2007
  10. RichA

    John Bean Guest

    Sure. It's his only friend, his right-hand man.
    John Bean, Oct 11, 2007
  11. The big problem with plastic bodied cameras is that they don't leave
    as much of a dent in Richies head as the metal ones.

    Dr Hfuhruhurr, Oct 11, 2007
  12. RichA

    Mark B. Guest

    You don't think anyone takes you seriously, do you?
    Mark B., Oct 11, 2007
  13. RichA

    Avery Guest

    Perhaps the best argument for metal bodied cameras ever presented
    Avery, Oct 11, 2007
  14. RichA

    Avery Guest

    So you measured the heat reflected from the camera rather than the
    heat transmitted into the camera. Well done.
    Avery, Oct 11, 2007
  15. RichA

    Alan Browne Guest

    Black body radiation is a two way deal.
    Alan Browne, Oct 11, 2007
  16. RichA

    Alan Browne Guest

    These thermometers are nasty inaccurate when used on metal.
    Alan Browne, Oct 11, 2007
  17. RichA

    RichA Guest

    That can be done as well.
    RichA, Oct 11, 2007
  18. RichA

    RichA Guest

    Only if it's raw metal, not painted.
    RichA, Oct 11, 2007
  19. RichA

    Robert Coe Guest

    : RichA wrote:
    : >
    : BS SNIPPED ...
    : > The plastic affinity for dust was confirmed by a friend.
    : ^^^^^^^^^
    : You want us to believe that statement?

    What kind of a rejoinder is that, "Not Disclosed"? Some sort of self-parody?

    Robert Coe, Oct 14, 2007
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