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Canon EOS 70D ISO boost


biaglow
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Hi,

I have an older EOS 70D and noticed in the canon forums that ISO has a boost function (12800/H) for video shooting, which apparently extends ISO to 25600.  In the camera settings, this is found in settings 3, under max ISO.  Is there any way for Backyard EOS to access this higher value during frame and focus?  This would be useful for focusing on dim stars.

Andy

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LiveView is not "video shooting".

BYE displays the ISO values that are provided by the Canon SDK.

LiveView exposures are only a few milliseconds in duration. Only the very brightest stars are visible as small dim dots. It is not possible to see dim stars.

If you need to focus in dim stars then you should use Snap images that have a longer exposure.

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BYE will give you all possible ISO the camera makes available through the SDK.

BYE caches those values, so if you change a setting after the cache is built, it will not show up.

To fix this...

  1. Disconnect your camera from BYE
  2. Change the required in-camera settings that will give you access to the high ISO.
  3. In BYE, goto settings -> advance settings and clear the cache
  4. Make sure the camera dial is set to M
  5. Connect your camera to BYE
  6. The cache will rebuild itself
  7. If the high ISO is available through the SDK it should show up.

Regards,

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