LENSES

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Document ID: 3020517/0610

CLOSE FOCUS RANGE DATA:

Minimum distance object to film 0.42 m

Corresponding distance object to front lens 0.25 m

Maximum image scale 1: 4.7

Corresponding area of coverage 26 x 26 cm

MTF

Modulation Transfer as a func-

tion of image height at infinite

focus setting.

Sagittal slit orientation drawn

with continuous line and tan-

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 scene.

LENSES

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To convert meters into feet, multiply by 3.281. To convert meters into inches, multiply by 39.37

Document ID: 3020517/0610

Depth-of-field in meters

f/2.8 f/5.6 f/11 f/22

∞ 16 - ∞ 8 - ∞ 4 - ∞ 2 - ∞

6 m 4.5 - 9.5 3.5 - 20 2.5 - ∞ 1.5 - ∞

0.6 m 0.589 - 0.612 0.58 - 0.625 0.56 - 0.65 0.53 - 0.71

0.55 m 0.541 - 0.559 0.533 - 0.57 0.52 - 0.59 0.49 - 0.64

0.5 m 0.494 - 0.507 0.487 - 0.515 0.475 - 0.53 0.455 - 0.56

0.45 m 0.445 - 0.455 0.441 - 0.46 0.433 - 0.47 0.42 - 0.49

0.42 m 0.416 - 0.424 0.413 - 0.428 0.405 - 0.435 0.395 - 0.45

DISTAGON

FE 2.8/50

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.