What is the purpose of the "focus ring" on a camera lens?

کیمرے کے لینس پر "فوکس رنگ" کا مقصد کیا ہے؟

To adjust the camera's white balance

To zoom in and out of a scene

To change the lens's aperture size

To adjust the sharpness of the Image

The purpose of the "focus ring" on a camera lens is to adjust the sharpness of the image.

It allows photographers to manually control the focus distance.

It ensuring subjects appear sharp and clear in photos.