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I can't connect my Nikon DSLR to Screenflow 10

I just bought screenflow 10. I connected my DSLR Nikon camera to it but it does not appear on recording cameras. 

Is there anything I should do in advance?

Thanks    

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 7 mths ago
    • Reported - view

    Using what HDMI to USB-C/3 or Thunderbolt interface?
    Or, Using Nikon Webcam Utility 1.1.0?
    Are you on macOS Mojave, Catalina or Big Sur? (it seems the driver is not supported on Monterey)?
    Does it work in Quicktime (see the camera using Quicktime New Movie Recording)?
    ScreenFlow version 10.0.4?
    What mac model?
    For the fastest support, it's important to include all the technical information in your first post or there are going to be back and forth questions that take time.

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    • CraigS Thanks

      - using mini usb to usb c/3. Should I use another cable?

      - MacOs Monterey

      - I does not work in Quicktime either 

      - screenflow 10.0.4

      - Macbook pro 13" M1 chip

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 7 mths ago
    • Reported - view

    DSLRs don't inherently output video over USB. Some do when you use the camera manufacturer's webcam driver (not guaranteed compatible with ScreenFlow though) for the specific camera model. 
    Most cameras need an HDMI to USB video capture device such as those made by Elgato, Epiphan, AJA, Magewell but others may work as well.

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    • Edward
    • Edward.1
    • 7 mths ago
    • Reported - view

    Not sure if you are still having problems. I am a new users as well that uses Nikon.

    I DL the free Nikon Webcam software and it works on my Mac mini M1 and MacBook M1 both still on BigSur.

    But no matter what program I use the video is way out of sync from any audio I record. I can see in a monitor window that it seem like the video in around a 1/4 of a second behind everything.

    I can move my hard and it is late in displaying or recording it. I think it is a usb slow problem.

    I have a CamLink 4K on order I should get in today or tomorrow to try next using the cameras HDMI output.

    I am using a Nikon Z50 but I also have two Z6s. I What to set the Z50 as my main webcam.

    The Z50 only outputs 8bit video the Z6 will output 10 bit. I am not sure what Screen flow records in.

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 7 mths ago
    • Reported - view
    Edward said:
    But no matter what program I use the video is way out of sync from any audio I record

     We've generally found issues with a number of virtual webcam drivers that need attention from the developers.

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  • I'm using a Nikon Z 6II and have tried the following combos:

    Screenflow 9.0.7 on an Intel iMac with Catalina 10.15.7
    Screenflow 9.0.7 on a M1 MacBook Pro with Monterey 12.3.1
    Screenflow 10.0.5 on a M1 MacBook Pro with Monterey 12.3.1

    All with Nikon Webcam Utility 1.1.0.

    I have tried recording audio with the built in microphones and an external mic plugged into the mic port.

    Each time there is audio drift in the final timeline where the audio appears to be more in sync at the beginning of the clip, but as the clip grows longer it becomes more out of sync.

    I have the Z6 set to 1080p at 30fps. Screenflow is set to 30fps timeline as well.

    The connection is via USB-C from the camera into USB-C on the MacBook Pro listed above and USB-C to USB A 2.0(?) on the older iMac.

    I'm guessing this has something to do with the Nikon software, but wanted to post this to see if anything can be done.

    I can't test the camera and webcam utility with Quicktime because the camera never shows up as a selection.

    Everything works fine in Zoom. 

    Recording a video in Chrome using Dubb.com's built in recorder works fine and is in sync.

    I'd be glad to test out anything else that may help. Just let me know.

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  • One more thing to note is Screenflow always sees the camera as 1024x768 and is letterboxed if that is playing a factor in any way here. 

    EDIT: Chrome sees the same (see Dubb.com example above), resolution and letterboxed. and is in sync on final recording.

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 4 mths ago
    • Reported - view
    Cameron Saemann said:
    One more thing to note is Screenflow always sees the camera as 1024x768 and is letterboxed if that is playing a factor in any way here. 

     What do you have ScreenFlow Configure Recording set to for the source?
    You may want to include a screenshot of that.

    Cameron Saemann said:
    Everything works fine in Zoom. 
    Recording a video in Chrome using Dubb.com's built in recorder works fine and is in sync.

     Have you tested in both Intel and M1 computers?
     

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 4 mths ago
    • Reported - view
    Cameron Saemann said:
     Yes, I put both configurations in the post above. It was: 

     Sorry I wasn't clear. Did you test Zoom and Chrome on both configurations?
     

    Cameron Saemann said:
    I have the Z6 set to 1080p at 30fps.

    As you note, your screenshot shows format 1024x768. Although it may not be obvious to the user, the frame size might result in a different codec being used. The processing might impact latency/sync drift. We are finding issues with these third-party webcam drivers. This might be part of the issue. 

    Started Investigation FLOW-11496

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    • CraigSModerator
    • Telestream Desktop Forum Moderator
    • CraigS
    • 4 mths ago
    • Reported - view
    Cameron Saemann said:
    I'd be glad to test out anything else that may help. Just let me know.

     Two other tests might be recording audio from the camera as well. Granted that may not be desirable but being on the same signal path as the video might be indicative of where the problem may be.

    The other would be testing with an audio source (USB Mic) going straight into the computer (set to 48kHz) as that may also help in our diagnoses. 

    One might expect the same issue but, if not, it may point to another cause.
     

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