How Do You Select An Overhead Projector?
Make your business presentation lively with exciting visuals from an overhead projector. To find the right overhead projector, follow these steps. Identify your audience. Knowing your audience will help to determine which features you require in your overhead projector. A strong, stationary model that houses the lens in a closed head is good when presenting to children. Compact, open head models are more appropriate to use with older audiences. Evaluate lenses. Lenses are an important consideration when selecting an overhead projector. Element variations include singlet, doublet and triple; the more elements, the higher the image quality. Open heads make mirror cleaning and focusing easier; closed heads reduce dust and better protect the mirror and lens. To project larger images close up select a flip-up wide angle lens. Estimate brightness. Lumens measure a projector’s brightness. They range between 1,700 and 11,000, depending on the model. Several factors help to determine the bright
