Which type of projector is used to diagram solid images onto a surface?

The opaque projector is designed specifically to project solid images, such as opaque objects and printed materials, onto a surface. It works by illuminating the object from above and capturing the light that passes through or is reflected by the surface of the object. This image is then enlarged and projected onto a screen or wall, which allows for clear visualization of the details of three-dimensional objects or thick materials that would not be suitable for other types of projectors that require transparency.

Other types of projectors serve different purposes. The digital projector typically uses a digital input to display images onto a surface, focusing on digital content rather than solid objects. A slide projector is intended for transparencies; it shines light through transparent slides rather than solid images. The overhead projector is used mostly for projecting transparent materials prepared for teaching, such as transparencies or sheets, rather than solid objects. Each projector has its specific use case, but the opaque projector excels in projecting solid images.