Irradiation halo. Grimeton test field
Enlargement in microns of white lines on black surfaces.
Reductions of black lines on white surfaces
Fig. 1. 4:4. Irradiation halo effects in a test
photograph from a high tower.
Flight and illumination direction.
; '03.,
3813?
7llu
75Í 6?,
57[66
»al 101 1
83 U
50Í57 5S(M
101 ! 1
[109 . 76| 83 ,
551«, 47^50
50|50
57[68. 45[53 7o[73. 60(56
Irradiation halo bland test field.
The enlargement in microns of circular white signals
in an aerial photograph Aviogon cr153 mm
h= 1200 m Signal diameter r 120cm or 0.15 mm in the image
Fig. 1.4:5. Test from the Öland area.