Final answer:
The size of one's butt as perceived in a mirror or camera can vary; the mirror reflects a real image not altered by distance, while a camera can distort the image based on its lens and angle.
Step-by-step explanation:
The perception of one's body size, such as the butt size, can vary depending on whether you're looking in a mirror or through a camera. A mirror reflects a real image that is virtually identical to the object it reflects, except it is reversed. For an accurate reflection, the mirror should be at least half your height with its top edge at the level of your eyes. On the other hand, a camera might distort the image based on lens characteristics, angle, and distance from the subject.
When you look at an image of yourself in a mirror, the size does not depend on your distance from the mirror, and you see a real image the same way as a virtual image due to the retina of your eye serving as a screen. In contrast, camera lenses can alter the perception of size and shape, potentially making the butt look larger or smaller due to factors like lens distortion and perspective.