S100 - Maximum shutter speed (Tv)? - General Discussion and Assistance - CHDK Forum
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S100 - Maximum shutter speed (Tv)?

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Offline AndyC

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S100 - Maximum shutter speed (Tv)?
« on: 26 / September / 2014, 21:00:55 »
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I've spent some time searching but to no avail; does anyone know the fastest shutter speed (Tv) the S100 is mechanically capable of supporting with a CHDK override?
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Offline waterwingz

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Re: S100 - Maximum shutter speed (Tv)?
« Reply #1 on: 26 / September / 2014, 21:14:26 »
I don't think I've seen it posted.  Probably needs somebody to test by taking a sequence of actual images at increasing speeds  and comparing the resulting images.
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Offline AndyC

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Re: S100 - Maximum shutter speed (Tv)?
« Reply #2 on: 27 / September / 2014, 13:50:04 »
Fair enough :)

I just did a (fairly subjective) test, to me it looked as though the exposure changed consistently up to 1/16,000th of a second; although 1/32,000th was slightly darker then 1/16,000th, it didn't look a full stop darker, so maybe the shutter couldn't quite keep up...

To be conservative, with my S100, I'm going to use a maximum shutter speed of 1/10,000th.
 
Cheers,
AndyC
« Last Edit: 27 / September / 2014, 13:55:30 by AndyC »
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Offline waterwingz

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Re: S100 - Maximum shutter speed (Tv)?
« Reply #3 on: 27 / September / 2014, 13:51:47 »
Quote from: AndyC on 27 / September / 2014, 13:50:04
To be conservative, I'm going to use a maximum shutter speed of 1/1,000th.
1/1000 is very conservative!  Or did you mean to say 1/10000 ?
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Offline AndyC

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Re: S100 - Maximum shutter speed (Tv)?
« Reply #4 on: 27 / September / 2014, 13:57:13 »
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To be conservative, I'm going to use a maximum shutter speed of 1/1,000th.

1/1000 is very conservative!  Or did you mean to say 1/10000 ?
Oops, yes good spot. Original post edited to correct.
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