Radial Distortion
Lens Summaron no 1972444
The Grid Method
c = 36 6 mm, h= 1.00 m.
f / 2 8
dr' microns
Si= 18 1.9 2,0 2.5 3.0 2.2 2.1 2.4 3.9 5.4 5 5 4.8 f/22
Fig. 1. 8:1. Basic geometrical data of photographs for
measurement in medicine.
Radial Distortion
Lens: Pancolor
The Grid Method
cr 1074 m, h: 90mm
f/ 2
— f / ‘8
(/ 22
dr microns
♦ 6ot
_ eoi Standard errors of unit weight
S 0 r 1 1 2.0 83 71 152 21 9 71 3 8 15 2 - microns (/2
S 0 i 1.9 1 8 1 2 1.9 1.4 38 3.2 34 31 3.7 f/8
Si= 28 29 3.3 29 2 9 3.1 3.4 2 6 42 4 6 — f/22
Fig. 1. 8:2. Basic geometrical data of photographs
for measurement in medicine.
Radial Distortion in X-Ray Photographs on film from an
image - intensifier.
dr' microns
Image scale about 1:13
The grid method
Fig. 1.8:3. Basic geometrical data of photographs
from X-ray instrument, image-inten
sifier and recording camera.