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8.3 Above-Stage Fixed Objective Variant with Substage variant
Figure DD
Notes
This is a four-channel system which is useful for work with thicker tissue slices. Each detection module has its
own controller. The lower detection module utilizes an oil-immersion condenser for light collection, and is
mounted on an adjustable suspension so that the illumination and collecting can be adjusted and centred in
the conventional manner.
It is possible to install a single optical detection module below the sample stage and to use an objective lens
above the stage to deliver the stimulating laser beam. Such a configuration permits free access to the sample
from above to both infra-red and visible lasers (useful for visible-light stimulation work)
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