Medical Definition of Field diaphragm

1. In a photomicrographic system particularly, an iris diaphragm that is imaged in the field of view with Kohler illumination. This limits the extent of the illuminated field and eliminates much extraneous light. The iris diaphragm that is located in front of the collecting lens of the light source. With Kohler illumination, the condenser focuses the image of the field diaphragm onto the image plane. (05 Aug 1998)

Lexicographical Neighbors of Field Diaphragm

field bean
field bindweed
field block
field block anaesthesia
field brome
field capacity
field chamomile
field chickweed
field coil
field corn
field cricket
field day
field days
field dependence-independence
field depth
field diaphragm (current term)
field dress
field effect
field effects
field emission
field emission display
field emission microscope
field emission microscopes
field emission microscopy
field emission tube
field event
field fever
field game
field garlic
field general

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