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Forum Discussion
iPhone 15 pro can't focus close up documents when using the scan utility.
Since purchased the new iPhone 15 pro, it seems that the iOS Dropbox app can't automatically switch to the macro lens (the ultra wide lens), so it can't focus small documents (like tickets or barcode...
Dropbox version 346.4.2
iOS version 17.0.2
Sample photo with Dropbox scan feature: [removed]
Same photo Using the iPhone default camera app: [removed]
Hannah
Dropbox Staff
Dropbox StaffHey Nousmedis, I removed your shared links, to prevent unnecessary traffic in your account.
Can you attach your screenshots to your next reply here instead?
This image was scanned using the "scan" feature of Dropbox:
This image was photographed using the default iPhone camera app:
As you can see, the default camera app (and other, properly developed apps) can automatically switch between lenses.
This topic has been addressed in a session at WWDC 2021: https://developer.apple.com/videos/play/wwdc2021/10047/?time=133
Essentially the solution is to use the minimumFocusDistance property of the capture device to derive a videoZoomFactor to make sure the users hold the phone at a larger distance than the minimumFocusDistance. This is also illustrated in this sample code: https://developer.apple.com/documentation/avfoundation/capture_setup/avcambarcode_detecting_barcodes_and_faces
- Walter
Hey Nousmedis, sorry to jump in here, but I just wanted to let you know that our team is working on improving this.
Thanks for your feedback and flagging this with us.
- Hello Walter,
It seems your team has been up to this problem since a year and I cannot see any improvement. I use the scan function often and it is a problem to have to move far away from the document to get a clear focus and then to crop the picture to get the desired picture area. Please send updates on pb resolution! I'm certainly bot the only iphone user lf Dropbox users community 🙂
