Indirect Retro-illumination Flashcards
1
Q
A
.
2
Q
A
.
3
Q
A
.
4
Q
How is indirect retro-illumination set up?
A
60deg - variable angle
small parallelepiped width
Max height
Medium illumination
Low- Med magnification
5
Q
Talking points on Indirect retro-illumination:
A
Looking at the area ADJACENT to the light
By decentering the slit beam further from the direct it creates a darker background
Intdirect retro from the iris excells at demonstrating changes of low density
Can do direct and indirect at same time just depends on where you are looking (at or beside the beam)