Finder and imaging apparatus

A finder comprising, in order from an object side to an eye point side along an optical path:

• an objective optical system that includes at least one lens and forms an intermediate image;
• and
• an ocular optical system that includes at least one lens and is provided for observation of the intermediate image,
• wherein the intermediate image is positioned on the optical path between the objective optical system and the ocular optical system,
• the finder includes a plurality of reflecting surfaces for forming an erect image,
• each of the objective optical system and the ocular optical system has at least one of the plurality of reflecting surfaces, and
• assuming that a focal length of the objective optical system in a state in which an infinite distance object is observed is fo,
• in a case where the objective optical system is a variable magnification optical system, fo is a value at a telephoto end, and
• a focal length of the ocular optical system in a state in which diopter is −1 is fe,
• Conditional Expression (1) is satisfied, which is represented by
• 2<fo/fe<8 (1),
• wherein the finder further comprises a display element that displays an image, at a position of the intermediate image or an optically conjugate position with the intermediate image, and
• wherein, assuming that, in a case where the display element is disposed at the position of the intermediate image, an air conversion distance between an image display surface of the display element and the intermediate image in an optical axis direction is d, and
• in a case where the display element is disposed at the conjugate position, an air conversion distance between the image display surface of the display element and the conjugate position in the optical axis direction is d,
• Conditional Expression (5) is satisfied, which is represented by
• 0≤|d|/fe<0.08 (5).

A finder comprising, in order from an object side to an eye point side along an optical path:

• an objective optical system that includes at least one lens and forms an intermediate image;
• and
• an ocular optical system that includes at least one lens and is provided for observation of the intermediate image,
• wherein the intermediate image is positioned on the optical path between the objective optical system and the ocular optical system,
• the finder includes a plurality of reflecting surfaces for forming an erect image,
• each of the objective optical system and the ocular optical system has at least one of the plurality of reflecting surfaces, and
• assuming that a focal length of the objective optical system in a state in which an infinite distance object is observed is fo,
• in a case where the objective optical system is a variable magnification optical system, fo is a value at a telephoto end, and
• a focal length of the ocular optical system in a state in which diopter is −1 is fe,
• Conditional Expression (1) is satisfied, which is represented by
• 2<fo/fe<8 (1),
• wherein the objective optical system includes a plurality of lens groups in which an interval between adjacent groups changes during zooming, and wherein the objective optical system includes a negative lens group having negative refractive power that is moved to the eye point side during zooming from a wide angle end to the telephoto end, and a positive lens group having positive refractive power that is moved to the object side during zooming from the wide angle end to the telephoto end.