The EVF35 is a viewfinder designed to work with our popular VL35 4K monitor. This accessory makes your existing VL35 into a high-quality electronic viewfinder that supports 4K. The EVF35 is made out of a soft touch plastic that is durable and lightweight. The viewfinder also incorporates a diopter that allows focus adjustments to achieve the sharpest picture from the VL35. The EVF35 makes your VL35 even more versatile!