In the lower section of the frame, you’ll see a circle with a line through it: this is the split circle that helps you focus the lens in low-light situations and for close-up shots. To use the split circle, try to find a vertical line within your composition to lay your split circle over. Move the focusing wheel from left to right until the vertical line matches up. For example, if you were to photograph a lamp, you would line up your split circle over the vertical