Hasselblad HC Macro 4/120 User's Manual
Contents
1. Document ID 2007 06 08 LENSES HASSELBLAD HC Macro 4 120 GENERAL LENS DATA Focal length 118 7 mm Aperture range 4 45 Angle of view diag hor vert 33 26 21 Length diameter 166 mm 96 mm Weight 1410 g Filter diameter 67 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 39 m Maximum image scale 1 1 Corresponding area of coverage 56 x 41 5 mm Corresponding exposure reduction 1 3 f stop COMPATIBILITY When the HC Macro 120 is used together with the H1 7X converter the autofocus function of the camera is disabled LENS DESIGN 9 elements in 9 groups FOCUS TYPE Front focusing I ENTRANCE PUPIL POSITION i HHH P 148 mm in front of the film plane I 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 4 infinity setting Modulation Transfer as a func tion of image height at infinite focus setting MTF MTF Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm Image height mm Image height mm 1 2 HA S S ELBLAD www hasselblad com Document ID 2007 06 08 LENSES HC Macro 4 120 MTF 4 image scale 1 2 Modulation Transfer as a func tion of image height at infinite focus setting Q Q 3 Sagittal slit orientation drawn with contin2. uous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm Image height mm Image height mm RELATIVE ILLUMINATION 5 5 E 8 E E 2 2 g g 5 5 o O X v4 0 10 20 30 0 10 20 30 Image height mm Image height mm Ale Infinity setting DISTORTION 1 5 5 SS g 0 2 2 D A a 1 0 10 20 30 Image height mm Image height mm ile Infinity setting 1 2 HASSELBLAD www hasselblad com
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