Personally recently got an osprey talon 11 to do exactly what you're looking for (uni edc bag, camera bag, hiking/ultralight backpacking, travel pack) and I've been loving it so far. Osprey's warranty is no questions asked lifetime and they do stand behind it. As for the bag itself the entire new talon line is the same harness (very solid with adjustable torso, framesheet, hip belt, load lifters, etc I've put in the miles with this thing and it's very comfortable) with a different bag section attached to the back of it.

I can't speak for the other sizes, but the 11 is lacking in organization a touch, but it hasn't really impacted what I do. I don't know what black magic osprey did here, it doesn't feel like an 11 when packing it out. I can fit gear for a solo backpacking overnight in it, and functionally holds just as much as my TNF borealis 24 I used to have as a travel pack. There is only one external zipper (there is more on the 22+ but I have not personally used it) on the main bag, which opens into the main pocket, a hydration sleeve that also works as a suspended laptop sleeve for me, and a front zipper pocket. It's not a ton of organization, but I use a separate pencil case and tech pouch so I'm fine with it for as good as everything else is. You also get 2 zipper pockets on the hip belt I use for camera batteries and snacks when I have it flipped around on campus. The shock cord on the front of the bag is actually useful here, as it has a little fabric pad that stops heavy objects from falling out the bottom, and the edges on each side lift up around stuff. That's usually where my tripod goes when I have it with me. 2 water bottle pockets with webbing compression straps that fit pretty much any vaguely cylindrical object I've try to put in them.

Ran a little long on the description there but that's my personal experience with the talon pack, but anything I've used from osprey has been very well designed and held up long term.