A camera viewfinder with indication of the development zone.

@inproceedings{Tahei1991ACV,
  title={A camera viewfinder with indication of the development zone.},
  author={Morisawa Tahei},
  year={1991}
}
Viewfinder wherein an image formed by an objective optical system is observed through an eyepiece optical system (L4) comprising a beam splitter (11) for deflecting a light path of said objective optical system in the direction said eyepiece optical system (L4), said half mirror (11) being located behind an image forming position of said objective optical system and means of light emission that define a light area in the field of view said viewfinder when said light emitting means emit light… CONTINUE READING