[. . . ] [. . . ] LENS DESIGN 9 elements in 7 groups FOCUS TYPE Internal focusing ENTRANCE PUPIL POSITION 13 mm in front of the film plane (at infinite focus setting) The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene. MTF Modulation Transfer as a function of image height at infinite focus setting. Sagittal slit orientation drawn with continuous line and tanDocument ID: 2006-08-29 gential with dashed. Spatial frequencies 10, 20 and 40 lp/mm 1/2 www. hasselblad. com LENSES HASSELBLAD HC 4. 5/300 RELATIVE ILLUMINATION Infinity setting DISTORTION Infinity setting Document ID: 2006-08-29 1/2 www. hasselblad. com [. . . ] [. . . ]