Chapter 3 Individual Operations
3.16 Fluorescence Observation
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3.16.5
Switching excitation methods
Four filter cubes can be mounted on the
fluorescence attachment. Move the desired cube
into the optical path by turning the filter cube
switching knob on the right side of the device.
For bright-light observations, leave one cube
position empty, and move this empty position into
the optical path.
Use the fluorescent motion restricting lever located
at the upper front section to limit cube switching
operations.
Lever position Filter cube switching
Pulled all the way to the front Free (switching possible)
Pushed in one increment
(notch)
Switching between positions 1 and 2, or between positions 3 and 4.
(The position at which the lever is pulled determines whether
switching is for positions 1 and 2 or positions 3 and 4.)
Pushed in two increments
(notches)
Lock (filter cubes cannot be switched)
3.16.6
Installing and removing the filter cubes
Always turn off the mercury lamp
before installing or removing the filter
cubes.
(1) Remove the cover on the left-hand side of the
fluorescence attachment.
(2) Insert the filter cubes.
(3) Replace the cover.
(Refer to P.67.)
Filter motion
restricting
lever
Filter cube switchin
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