canon Xsi Exposure question

Discussion in 'Photography Beginners' Forum' started by er111a, Mar 16, 2010.

  1. er111a

    er111a TPF Noob!

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    can you take long exposures such as idk a hour or 24 hours? 30 min? thanks
     
  2. reznap

    reznap No longer a newbie, moving up!

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    Well. Your battery will run out after an hour and a half-ish I think.

    Interested in taking some star trails?

    I have a follow up question too, can't you mess up/burn up the sensor like this? Especially if you overexpose?
     
  3. er111a

    er111a TPF Noob!

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    errrrr.......not so sure I wanna do that then lol
     
  4. newb

    newb TPF Noob!

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    I heard somewhere that the sensor will heat up and damage itself.

    I wanna say it does this after more than, like 10 seconds? Im not sure on that part.
     
  5. Felix 222

    Felix 222 TPF Noob!

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    ccd sensors...you're fine
     
  6. er111a

    er111a TPF Noob!

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    ccd?
     
  7. Hamtastic

    Hamtastic TPF Noob!

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    It's a CMOS sensor. To take exposures longer than 30 sec you need to use bulb and a cable release. Maybe the remote releases work too? I don't know. With the cable release you either need to hold the button down or it will lock down. When the button is released in bulb the shutter closes.

    I've not used the Xsi, but 20-30 min exposures with my other Canon DSLRs haven't hurt them.
     
  8. er111a

    er111a TPF Noob!

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    bulb?
     
  9. fokker

    fokker No longer a newbie, moving up!

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    :facepalm:

    Look it up in the manual, it makes the exposure any length of time that you decide.
     
  10. er111a

    er111a TPF Noob!

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    haha hey I dont claim I know all about the camera and I have never tried longer than 30 seconds
     

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