Just about all cameras come with a built-in EVF, so why would you spend thousands of dollars on a Zacuto Gratical HD EVF?
Well, not all EVF’s are created equal. Also, not all cameras are created equal when it comes to monitoring options. Here are some examples. The resolution and quality of built-in EVFs on cameras vary hugely. You may get a camera that is amazing, but its EVF is not the best. You may then also get a camera that has an amazing EVF, but the camera may be missing features. When it comes to the EVF, here are some of the features that could be missing in-camera, but the Gratical adds: