You may need to adjust the drivers in the computer. If you connect a computer with a higher resolution video card to a projector, you'll see only a portion of the image. If you connect a lower resolution card, you'll see a black, unused area around your image. Manufacturers are able to address incompatibility between video cards and projectors by using several electronic processing tricks. For the best images, choose a projector with a native resolution closest to your application.
Overhead bulbs burn out frequently.
Digital Cameras Digital cameras are quite popular and are great for creating web sites and presentations. In selecting a camera, be sure it is compatible with your software and will have enough storage capacity to collect your images. USB ports are a great feature. City College gets special pricing on most digital cameras.