Condenser Image Planes
Image
Plane (1)
Plane (1)
Image
Plane (2)
Plane (2)
Field
Diaphragm
Diaphragm
Condenser
Diaphragm
Diaphragm
Collector
Lens
Lens
Condenser Lenses
F'
F
a
b
Field Diaphragm
Diameter
Diameter
Condenser Diaphragm
Diameter
Diameter