A quick note when it comes to DSLR cameras. These are pretty much end of life for most manufacturers now, as they have moved on to mirrorless cameras. Mirrorless cameras offer the same image quality as a DSLR in a smaller body. These days I would recommend a mirrorless camera over ...
Check the airline's rules. The Z9 and 500pf should be fine. Our problem in Australia is weight. They are very strict and weigh carry-on bags I doubt you will have a problem. If you put cheaper and less important gear in the hold, that should be ok too. I checked in my D3s, ...
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