Whether you're shooting on a cine camera, a stock, or a DSLR, an external monitor is a necessity if you want to get serious about creative work. So much of your work happens with your eyes. but if your monitor isn't the right fit for what you do, your productivity will suffer. Many people get by using whatever viewfinder their camera offers. But external monitors have features that change the way you work and some recording monitors even improve the quality of the footage you capture.