Professional Camcorder Before making your purchase of new professional camcorder, make sure you know exactly what you are buying, research your seller if you buy it from other authorized or non authorized new camcorder reseller. Understand how the merchant protects you if you got your new professional camcorder at home that is not exactly the same you saw on internet if you were buying it online. Features of a Professional Camcorder Manual Aperture: it's important to be able to manually alter the aperture size of your camcorder. This will enable you to control the amount of light that the lens lets through into the camcorder, thus determining how light or dark the scene is. Manual Focus: auto focus has a tendency to cause the camera to drop in an out of focus depending on what objects come in and out of the scene. With manual focus, you have full control to be able to stay focused on your intended object.