Hasselblad Sonnar Superachromat CFE 5.6/250 دليل المستخدم

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LENSES
SONNAR SUPERACHROMAT
CFE 5.6/250
CLOSE FOCUS RANGE DATA:
Minimum distance object to film 3.00 m
Corresponding distance object to front lens 2.75 m
Maximum image scale 1: 9.6
Corresponding area of coverage 53 x 41 cm
Corresponding exposure reduction 0.3 f-stop
ENTRANCE PUPIL POSITION
84 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 com-
bining individual images of a sce

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LENSES SONNAR SUPERACHROMAT CFE 5.6/250 DEPTH-OF-FIELD DATA Given distances are calculated for a blur circle diameter of 60 microns and do not include the effect of lens aberrations. For very critical photography and great enlargements this blur will be visible. For these situations we recommend a conservative use of the DOF data. In such situations the data given for an aper- ture two f-stops larger should be used (for example, if shooting at f/8, use DOF data for f/4). Depth-of-field in meter