What is the primary effect of using a macro lens?

Using a macro lens primarily allows photographers to capture subjects at very close range, revealing intricate details that are often imperceptible to the naked eye. This special lens design enables high levels of magnification and depth of field control, making it ideal for photographing small objects like insects, flowers, and textures. The close focusing capabilities of a macro lens help to create images that showcase fine details, such as the texture of a butterfly's wings or the design of a flower's petals, thus transforming ordinary subjects into extraordinary images.

Other options do not align with the characteristics of macro lenses. While some lenses might intentionally distort reality or exaggerate depth perception, macro lenses are specifically designed for detailed close-up work rather than distorting images. Similarly, the option about widening the field of view is not applicable to macro lenses, which typically allow for a narrow depth of field due to their close-focusing nature. Understanding these distinctions is key for effective photography practices, particularly in nature and product photography where detail is paramount.