We’ve been getting more and more requests to work in 4K, and many times clients feel that they will save money because it’s one less camera for a typical interview shoot. The answer is yes, it’s one less camera, but no, the cost may be a wash over a two-camera setup.
What you gain on set becomes more steps and longer renders in editing. We’ve shot projects recently with Sony F5 & F55’s, Red Epic at 2K, 4k & 6k while also going lower budget with Sony A7 at 4K. In the end, they are all tools in the arsenal, but you have to be meticulous with generating proxies, allocating media drives, sizing clips appropriately on you project timeline and, leaving extra time for color correction and renders that will exceed what you are used to in 1920 x 1080 world.
You are hedging your investment in the future of your content by up-rezing your approach along with many other benefits, but there are also lots of areas to be cautious. So client beware or “bring it on” if the strategy for going 4K or above fits with your future content needs.