2.10.14. |
"Illumination angle" means the angle between the axis of reference and the straight line connecting the centre of reference to the centre of the source of illumination. |
a0c0 |
2.10.14. |
"Illumination angle" means the angle between the axis of reference and the straight line connecting the centre of reference to the centre of the source of illumination. |
a0c0 |