A lens allows you to adjust the tones of an image, specifically dark, middle, or light pixels.

The statement suggests that a lens alone has the capability to adjust tones or pixel values in an image, which is not accurate. A lens is primarily responsible for focusing light onto the camera sensor and determining factors such as field of view and depth of field. It does not inherently manipulate the tonal values of the image itself, which includes dark, middle, or light pixels.

Adjustments to tonal values are typically made in post-processing software or via camera settings that affect exposure and white balance, not through physical elements of the lens. Thus, saying that a lens can directly adjust tones leads to a misunderstanding of the role that lenses play in photography.