Cameras get wider/longer when zooming in because of the way they use optics to capture images. In order to zoom in, the lens of the camera moves further away from the image sensor or film, which results in a larger magnification of the subject. This increase in magnification causes the camera to appear wider or longer.
Yes, the size of a camera can affect its zoom capabilities. Generally, larger cameras tend to have larger lenses and image sensors, which allow for a wider range of zoom. Smaller cameras may have smaller lenses and image sensors, which can limit the zoom capabilities.
Optical zoom involves physically moving the lens of the camera to magnify the subject, while digital zoom involves digitally cropping and enlarging the existing image. Optical zoom provides better image quality as it does not sacrifice resolution, while digital zoom can result in a loss of image quality.
The aperture of a camera affects its zooming abilities by influencing the amount of light that enters the camera. A wider aperture allows for more light to enter, which can help with zooming in low light conditions. However, a smaller aperture can provide a larger depth of field, resulting in a sharper image when zoomed in.
Yes, the type of lens used in a camera can impact its zooming capabilities. Zoom lenses are specifically designed to allow for a variable focal length, which allows for a wider range of zoom. Prime lenses, on the other hand, have a fixed focal length and do not allow for zooming.