Image switching apparatus for electronic camera

An image switching apparatus for an electronic camera. The electronic camera has a lens, an image sensor and a viewfinder. The image switching apparatus includes a housing, an optical assembly and a reciprocating driving device. The housing is disposed between the lens and the image sensor. The lens is opposite the image sensor and the viewfinder is above the housing. The optical assembly is rotatably and movably disposed in the housing and has a beam splitter and an optical compensator. The beam splitter is connected to the optical compensator at a predetermined included angle. The reciprocating driving device is coupled to the optical assembly to rotate and move the optical assembly between a first position and a second position.