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I bought the Osprey Talon 33 on the back of that blog write up and have no regrets.
It worked out wonderfully as a carry on luggage and was perfectly comfortable for a few hikes lasting roughly 5 to 8 hours. I am kind of new to hiking so don't have a lot to compare it too, but I think the low weight (1,1 kg) is it's key selling point. I travelled light so never went above 8kgs for rucksack and contents combined. No idea how it would fare at higher loads or if carrying more unwieldly stuff like poles, ice axes or whatever.
Weird way to spell Osprey Talon 33
https://www.thebrokebackpacker.com/osprey-talon-33-review/
Tbf the backpacks I use daily are a really cheap Decathlon jobby and a discontinued Crumpler Light Delight Backpack
https://dslrbag.co.uk/crumpler-light-delight-foldable-backpack/
For longer outings carrying big loads (camera and wildlife watching gear) I use a Lowepro Rover AW II Backpack which is good but being big means I have a tendency to fill the space and land up carrying more than I need