try

adb-sync --reverse /sdcard/DCIM(?) ~/photos.go.here

adb-sync has been deprecated, use better-adb-sync instead:

https://github.com/SelfAdjointOperator/better-adb-sync

I saw that but I don't think the command changes as it still says adb-sync in the readme file of that repo you just linked…

Isn't that mostly because android devices use the old school "picture transfer protocol" mode, which involves a round trip to the device for every single object in a directory, rather than being able to just retrieve a directory listing in all one request like typical filesystems.

These days it's exclusively MTP as an extension to PTP that can transfer more than pictures, but similar problems with slow directory listings still exist due to the required translation between names and object IDs. Also the protocol does not support multiplexing requests, so you can't copy files while a directory is getting iterated.

I've always loved how shotwell does it: "YYYY/MM/DD/filename.ext"

The only downside has always been that merging your photo libraries when you did two different things can give some funny results. Shotwell will split the events based on the import, but if you browse the files without shotwell or reimport them later you lose that.

After 20 years of digital photography, this is the way:

    YYYY/YYYY-MM/YYYY-MM-DD/YYYY-MM-DD.SHASUM.IMG_NNNN.EXT

This lets you keep date metadata on individual files moved or copied out, detect bit rot, etc.

Interesting. Have you noticed any bit rot on your images?

No, but it's a thing that happens. I keep mine on zfs raidz2 with weekly scrubs.

iOS is terrible from windows too. I figured they really dont care as you aren't a good customer.

..and always with super helpful naming scheme like IMG_0001.JPG, IMG_0002.JPG, ... that restarts from the lowest unused number after cleaning up phone storage, ensuring you'll have naming collisions in your backup folder

Which phones still do that? My Samsung Galaxy S21 uses date and time: YYYYMMDD_HHMMSS.jpg

I gave up on USB file transfers off of Android phones for that reason.

A faster option is to install an HTTP or FTP server app on the phone, then download the photos through the network.

Or Syncthing

Getting the images via e.g. Syncthing running on the phone does not seem to encounter this problem. Likely not over USB though, but Wireguard or better Nebula are easy to set up on both your phone and your router / NAS / desktop.

Yes, this is might constant nightmare too! Around 10k photo files Android starts to be painful to use. like app file browser taking huge to show the file list or crashing, and as you said, terrible experience when trying to get files on a computer.

This is mostly because of the mtp protocol that is really shitty, supporting only a single channel at a time and having to send the whole list of all files in one time. But also because Android implementation of it is very buggy.

I was always stunned that for a dozen years, Google stupidly spend millions in reworking uselessly the UX twenty times but never solved real pmserious usability problems like this one!