A shutter device having a shutter opening through which an incident light passes, the shutter device being a parallel link type focal plane shutter comprising: first and second shutter blade assemblies,, each of the shutter blade assemblies, including first and second shutter blades,,, that open and close the shutter opening and a driving link, that drives the shutter blades,,,; and first and second actuators, rotating the respective driving link,, wherein respective driving links, transfer the rotary force of corresponding first and second actuators, to corresponding shutter blades,,, to cause them to make translation motions, wherein a rotation center (C A) of each of the actuators, is eccentric from a rotation center (C L) of each of the respective driving links,, and wherein each of the shutter blade assemblies, further includes a follower link, that supports the shutter blades,,, together with the respective driving link,, wherein an assistant link is coupled between each of the driving links, and the respective follower link,, and the first shutter blade assembly and the second shutter blade assembly have the same configurations including same components and same coupling structures of the same components, wherein the arrangement of the second shutter blade assembly is that of the first shutter blade assembly being 180° rotated with respect to an x-axis being a width of the shutter opening, and wherein the first shutter blade assembly is disposed on a lower portion of an inner surface of a base frame of the shutter device and the second shutter blade assembly is disposed on an upper portion of the inner surface of the base frame, wherein each of the actuators, includes a rotary lever that rotates together with a rotor included in the actuator,, and wherein the rotary lever includes a driving protrusion at one end thereof, and a long hole shaped slot into which the driving protrusion is inserted is formed in each of the driving links,, wherein the first shutter blade, and the respective second shutter blade, are pin-coupled to the driving link, and the follower link,, respectively, and wherein the assistant link is pin-coupled to the driving link, and the follower link, at the same points as those to which the respective first shutter blade, is pin-coupled, respectively. first and second shutter blade assemblies,, each of the shutter blade assemblies, including first and second shutter blades,,, that open and close the shutter opening and a driving link, that drives the shutter blades,,,; and first and second actuators, rotating the respective driving link,, wherein respective driving links, transfer the rotary force of corresponding first and second actuators, to corresponding shutter blades,,, to cause them to make translation motions, wherein a rotation center (C A) of each of the actuators, is eccentric from a rotation center (C L) of each of the respective driving links,, and wherein each of the shutter blade assemblies, further includes a follower link, that supports the shutter blades,,, together with the respective driving link,, wherein an assistant link is coupled between each of the driving links, and the respective follower link,, and the first shutter blade assembly and the second shutter blade assembly have the same configurations including same components and same coupling structures of the same components, wherein the arrangement of the second shutter blade assembly is that of the first shutter blade assembly being 180° rotated with respect to an x-axis being a width of the shutter opening, and wherein the first shutter blade assembly is disposed on a lower portion of an inner surface of a base frame of the shutter device and the second shutter blade assembly is disposed on an upper portion of the inner surface of the base frame, wherein each of the actuators, includes a rotary lever that rotates together with a rotor included in the actuator,, and wherein the rotary lever includes a driving protrusion at one end thereof, and a long hole shaped slot into which the driving protrusion is inserted is formed in each of the driving links,, wherein the first shutter blade, and the respective second shutter blade, are pin-coupled to the driving link, and the follower link,, respectively, and wherein the assistant link is pin-coupled to the driving link, and the follower link, at the same points as those to which the respective first shutter blade, is pin-coupled, respectively.