C
D
37
BX53M
Move the field diaphragm knob (field diaphragm lever)
to open the field diaphragm image until the field
diaphragm image inscribes to the field of view. (Picture C)
If the field diaphragm image is decentered, try centering again.
Open the field diaphragm until the field diaphragm image becomes
almost the same size (inscribe) as the field of view. (Picture D)
5
6
BX3M-RLAS-S, BX3M-URAS-S
BX3M-RLA-S