BEWARE OF THIS TETHERING FUNCTION

Adrian Lambert

• 13. Juni 2016 18:52

I've been shooting tethered to Capture One from Canon bodies since V3 and I've just stumbled on what is probably a feature but certainly something I hadn't expected and it has severely screwed up a shoot today so I wanted to make others aware of it.

I had a shoot today shooting a lot of profile head shots in an architects studio and I wanted to be prepared because I had to hit the ground running. So I set up a camera last night to shoot RAW to card 1 and small mono jpegs to card 2 - an eye-fi card which would send pics to an iPad for wireless previewing as I knew that I didn't have time to shoot tethered to C1 for the most part of the day. I had set up the camera to preview images on card 1 and tested the setup as I've not really used eye-fi cards before. Everything was set correctly. Everything worked. Happy me.

The shoot started and I set capture one to display the raw captures as mono images from the test shots that I'd done to check lights and focus.

I then decided to change card 1 to a newer card - just to be prudent. A few things happened because of this which I hadn't expected - things that I think really shouldn't happen without my being made aware of in big fuck off letters on the camera body AND in Capture One. The body which was switched back on whilst card 1 slot was empty then seemingly defaulted to previewing from card 2. The second thing was that when capture one ingests the capture, it chooses the image file type that is set on the body as going to the card that is set to be the one used for previewing in camera. Even though it doesn't get written to the card (counter intuitive or what?)

So Capture One ingested small mono Jpegs, that's all. And nothing was written to the cards.

So when the new card was inserted and the preview source was unknowingly changed, I still saw mono images. No obvious clue that I was now receiving little jpegs rather than raw files and I was now away from the camera tab and had no need to go back - or so I thought.

So all I have now from the most important shots - the ones I insisted on taking a little longer to set, the ones I insisted on shooting tethered to capture one rather than the eye-fi connected iPad - are all shitty little mono jpegs.

Is this just me? Am I the idiot?

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  SFA

  • 14. Juni 2016 21:18

  If I understood your description correctly you were using a camera download to a hot folder on your computer.
  
  Capture One would have been set up to monitor whatever was arriving in the Hot Folder from the camera. Basically doing exactly what you were doing with the eye-fi card to the iPad.
  
  In that respect C1 is entirely unaware of how the camera is currently configured. The files could be arriving from anywhere.
  
  In full tether mode C1 has control over the camera - how much it can do depends on the version/release level of C1 and which camera/lens it is connected to.
  
  In full tether the camera is using the computer as the "card" and nothing will be written to card(s) in the camera. (This has always been the case so unless something has changed the behaviour very recently I assume it still is the case.)
  
  In that respect the camera's own settings and card slots become irrelevant (subject to the caveats above) and C1 has no control over what is delivered to it.
  
  So, my take on it is that the problem you have experienced is something that C1 would have no knowledge about nor control over it UNLESS a form of warning could be programmed in to the folder monitoring based on expected file sizes.
  
  Based on your long experience with C1 if this if the first time you have found the problem I would imagine it is the same for everyone else - not a perpetual and recurring issue. In which case such a warning function would probably not appear regularly at the top of anyone's wish list - although no doubt today it would be high in the sky on yours.
  
  I also shoot Canon, though very rarely to a hot folder. I cannot recall any times when the settings for dual cards have messed up by themselves in the absence of one of the cards and its subsequent swap for another. That's not to say it cannot happen - but it's not something I have experienced. Using Wi-Fi adapter for a 1D3 I have successfully recorded to both internal cards and an external drive (Android phone using it in a similar way to you eye-fi and Ipad set up in concept but with a wired connection for speed and simplicity) without any issues. (Other than its all a little awkward when shooting action stuff!
  
  The only recurring problem I did have turned out to be a faulty brand new card that errored when about 80% full - but not always.
  
  That said I don't think I have tried the experiment of installing a card with the body powered on. It might ignore the new card. There might also be some other setting that leads to it not making use of the newly introduced card. Specified folder name or something perhaps? I don't know - I'm just speculating on possibilities. Different bodies may do different things.
  
  The in-camera warning that a card was not available to be used as per set up should appear - at least that would be my expectation - but it could be very easily missed if in the middle of doing something else.
  
  So, I'm sorry to hear of your troubles but I don't think there is anything that C1 could be expected to be programmed to do here that would have helped you out.
  
  BTW - I'm basing my experience on Windows but I would imagine it would be no different if using a Mac in this case.
  
  HTH.
  
  
  Grant

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