The ornamental design for a sight, as shown and described.
FIG. 1 is a perspective view of a sight showing my new design;
FIG. 2 is an end view thereof;
FIG. 3 is an end view thereof, from an end opposite that of FIG. 2;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof, from a side opposite that of FIG. 4;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines shown in the drawings of the sight for firearm are for the purpose of illustrating the environment and form no part of the claimed design.