NEWTON's HOME PAGE
Iris and Light Condenser
These structures inhibit/prohibit light into the view of the microscope to adjust the darkness of the background, making viewing easier at higher levels.
NEWTON is an electronic community for Science, Math, and Computer Science K-12 Educators, sponsored and operated by
Argonne National Laboratory
, Andrew Skipor, Ph.D., Head of Educational Programs.
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Update: June 2012