Camera

A camera, comprising:

• a housing having a front surface with a viewfinder;
• a frame accommodated in the housing;
• a lens barrel accommodating at least one lens, the lens barrel including
• a stationary cylinder including a base fastened to the frame and a cylindrical wall extending in an axial direction from the base,
• an extendable unit located radially inward from the cylindrical wall of the stationary cylinder, the extendable unit being extendable in the axial direction, and
• an operation cylinder rotatable relative to the stationary cylinder without moving in the axial direction to extend and contract the extendable unit, the operation cylinder including a guide surface extending in a circumferential direction and a lever drive adjacent to the guide surface in the circumferential direction, the lever drive having an outer diameter different from an outer diameter of the guide surface;
• a viewfinder portion causing a frontward field of view to be visible through the viewfinder in the housing;
• a drive lever rotatable about a first shaft, the drive lever including
• an actuation portion configured to come in contact with the guide surface of the operation cylinder, and
• a drive gear including a plurality of teeth;
• an urging member urging the actuation portion in the drive lever toward the guide surface of the operation cylinder;
• a prism configured to change a direction of a field of view visible through the viewfinder portion;
• and
• a prism guide lever rotatable about a second shaft, the prism guide lever including
• a prism holder holding the prism, the prism holder being placeable into the viewfinder portion, and
• a follower gear including a plurality of teeth meshing with the plurality of teeth in the drive gear in the drive lever.