Eyepieces, LensesOptical inspection equipment is used to examine objects or materials at a high level of detail. It typically consists of a microscope or other optical instrument, such as a magnifying glass or loupe, that is equipped with eyepieces and lenses to magnify the image. The eyepieces and lenses used in optical inspection equipment can vary in size, shape, and magnification power, depending on the application and the level of detail required. Some common types of eyepieces and lenses used in optical inspection include high-power objective lenses, long-working-distance lenses, and wide-field eyepieces.