Hasselblad HC 2.8/80 User's Manual
Contents
1. Document ID 3023080 0412V1 LENSES LENS DESIGN 6 elements in 6 groups FOCUS TYPE Full focusing ENTRANCE PUPIL POSITION 79 mm in front of the film plane at infinite focus setting HASSELBLAD HC 2 8 80 GENERAL LENS DATA Focal length 82 3 mm Aperture range 2 8 32 Angle of view diag hor vert 46 38 29 Length diameter 70 mm 84 mm Weight 475g Filter diameter 67 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 70 m Maximum image scale 1 6 5 Corresponding area of coverage 36 x 27 cm Corresponding exposure reduction 0 3 f stop 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 func tion of image height at infinite focus setting Sagittal slit orientation drawn MTF with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 0 10 20 30 0 10 20 30 Image height mm Image height mm 1 2 HA S S ELBILAD www hasselblad com Document ID 3023080 0412V1 LENSES HASSELBLAD HC 2 8 80 RELATIVE ILLUMINATION Infinity setting c 2 w E 2 o 2 amp l a M2 caga 128 0 i 0 10 20 30 Image height mm DISTORTION Infinity setting Q c 2 E 2 2 a 22 A i 0 10 20 30 Image height mm 2 2 HASSELBLAD www ha2. sselblad com
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