So you've got your pocketable compact for everyday shooting and maybe a digital SLR or mirrorless camera for when you want to get serious. The former typically have lenses that are too short, while the latter require a multi-pound piece of glass to reach above 200mm. If you're willing to sacrifice image quality and depth-of-field control, you can buy a camera with a big lens that coverage focal ranges that are either impossible on interchangeable lens cameras, or very expensive.
The long zoom cameras in this buying guide fit into the 'enthusiast' category, meaning that they offer solid build quality, electronic viewfinders and (usually) 4K video capture. All of these long zooms have 1"-type sensors.
Check it out, from here.