must i turn off DSLR every time when i change lens?

Discussion in 'Photography Equipment & Products' started by indyrodeo9, Dec 29, 2007.

  1. indyrodeo9

    indyrodeo9 TPF Noob!

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    someone told me so. said once or twice lens change with cam on is ok. doing it more can damage the cam. is there truth to this? what can break as a result of changing lens with cam on?

    thanks.
     
  2. ScottS

    ScottS TPF Noob!

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    That's just silly. Never heard of anything like that before....

    ( # 300 baby WHOOOoooo...... man I need a life.... :greenpbl: )
     
  3. indyrodeo9

    indyrodeo9 TPF Noob!

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    whoohooo #9 yayayayaaa. sry i had to do it. thnx for the reply btw. oh the guy sold me the 40d told me lol.
     
  4. ScottS

    ScottS TPF Noob!

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    Haha yea, the only thing that i have heard is that when the camera is on, the sensor is statically charged, and could attract more dust. But, just be careful when you change lenses. :)
     
  5. Stratman

    Stratman TPF Noob!

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    Why not turn it off? It takes only a second to turn the power off before changing lenses...
     
  6. indyrodeo9

    indyrodeo9 TPF Noob!

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    i do turn it off. just like to to know thats all.
     
  7. jstuedle

    jstuedle No longer a newbie, moving up!

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    I turn mine off when I think of it and don't when I don't. More often than not, I don't when changing lenses or cards. No issues over a couple million frames over 6 DSLR's.
     
  8. Sideburns

    Sideburns TPF Noob!

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    You can suck in dust to the sensor since it's charged.

    But other than that...you won't kill it. Turn it off anyways...it's not a long process.
     
  9. Alex_B

    Alex_B No longer a newbie, moving up!

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    I would turn it off... because of the sensor, and because of the electric connections.

    I once got one of my SLRs confused when I changed lenses without switching it off, and it started rewinding the film when I had the new lens attached and then was refusing to do anything. had to switch it off for a minute to solve the problem ;)
     
  10. Garbz

    Garbz No longer a newbie, moving up!

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    Suck dust in to a charged sensor? which is covered? I'm not quite sure how large you think this charge is on a 5v low current component which isn't actually on anyway unless you're exposing it, but I doubt it extends much beyond its surface or the closed shutter.

    I wouldn't swap lenses with liveview enabled, but unlike a miss-read signal like in Alex's case no damage can occur short of spilling some liquid or shorting the lens contact terminals (even that is probably not damaging but I wouldn't try it).
     
  11. JerryPH

    JerryPH No longer a newbie, moving up!

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    It is not critical to turn off the camera, but honestly... why? It takes like half a second to turn off.

    What I am concerned about is the fact that on my camera there are electrical lens contacts out in the open that I do not know if when shorted out accidentally if it could damage my D200 or not (VR, lens focus, etc...). So I make it a point to turn it off. It likely will not, but whatever, thats me.
     
  12. indyrodeo9

    indyrodeo9 TPF Noob!

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    i did it twice so far cuz i forgot to turn off my 40d. i noticed once i remove lens i think the camera knows cuz i saw the B&W mini LCD turned off when i did that. when i mount the lens again the mini LCD screen turned back on.

    im sure a company that makes a thousand dollar DSLR would at least ensure no circuit get fried from doing a simple lens change during power on. right?
     

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