WIDE-ANGLE SLOT AEROPHOTOGRAPHIC APPARATUS Russian patent published in 1995 - IPC

FIELD: aerophotography. SUBSTANCE: wide-angle apparatus has ball objective 1, exposure slot 3 disposed ahead image receiving surface 2 which is disposed onto the equalizing table 3 in form of elliptic cylinder. Large half axis of cylinder base is parallel to optical axis of objective 1 and equal to focal length. The generating line is oriented relatively direction of image motion. Surface which passes through the line of medium part of slot 4 is perpendicular to motion of image. EFFECT: improved precision. 6 dwg, I tbl