Область видоискателя (circle fill)

<svg fill="#000000" width="800px" height="800px" viewBox="0 0 56 56" xmlns="http://www.w3.org/2000/svg"><path d="M 27.9999 51.9063 C 41.0546 51.9063 51.9063 41.0781 51.9063 28 C 51.9063 14.9453 41.0312 4.0937 27.9765 4.0937 C 14.8983 4.0937 4.0937 14.9453 4.0937 28 C 4.0937 41.0781 14.9218 51.9063 27.9999 51.9063 Z M 20.8046 16.4922 L 23.9218 16.4922 C 24.9530 16.4922 25.6327 17.1719 25.6327 18.1797 C 25.6327 19.1875 24.9530 19.8672 23.9218 19.8672 L 21.3202 19.8672 C 20.2421 19.8672 19.7499 20.3594 19.7499 21.4609 L 19.7499 23.9922 C 19.7499 25.0469 19.0702 25.7031 18.0624 25.7031 C 17.0546 25.7031 16.3749 25.0234 16.3749 23.9922 L 16.3749 20.8984 C 16.3749 17.9922 17.8983 16.4922 20.8046 16.4922 Z M 35.0077 16.4922 C 37.9140 16.4922 39.4609 17.9922 39.4609 20.8984 L 39.4609 23.9922 C 39.4609 25.0234 38.7812 25.7031 37.7499 25.7031 C 36.7421 25.7031 36.0858 25.0469 36.0858 23.9922 L 36.0858 21.4609 C 36.0858 20.3594 35.5702 19.8672 34.5155 19.8672 L 31.8905 19.8672 C 30.8827 19.8672 30.1796 19.1875 30.1796 18.1797 C 30.1796 17.1719 30.8827 16.4922 31.8905 16.4922 Z M 20.8046 39.5781 C 17.8983 39.5781 16.3749 38.0781 16.3749 35.1719 L 16.3749 32.0781 C 16.3749 31.0469 17.0546 30.3672 18.0624 30.3672 C 19.0702 30.3672 19.7499 31.0234 19.7499 32.0781 L 19.7499 34.6094 C 19.7499 35.7109 20.2421 36.2031 21.3202 36.2031 L 23.9218 36.2031 C 24.9530 36.2031 25.6327 36.8828 25.6327 37.8906 C 25.6327 38.8984 24.9530 39.5781 23.9218 39.5781 Z M 35.0077 39.5781 L 31.8905 39.5781 C 30.8827 39.5781 30.1796 38.8984 30.1796 37.8906 C 30.1796 36.8828 30.8827 36.2031 31.8905 36.2031 L 34.5155 36.2031 C 35.5702 36.2031 36.0858 35.7109 36.0858 34.6094 L 36.0858 32.0781 C 36.0858 31.0234 36.7421 30.3672 37.7499 30.3672 C 38.7812 30.3672 39.4609 31.0469 39.4609 32.0781 L 39.4609 35.1719 C 39.4609 38.0781 37.9140 39.5781 35.0077 39.5781 Z"/></svg>