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Chapter 3 Operation Details
40
3.10
Filter
Figure 3.10-1 Filter turret
Two quartet filter turrets are provided on the
microscope, and each filter turret has the
φ
25 mm
filters as shown below.
Each time you turn the turret 90 degrees, the next
filter enters the optical path. The display indicated on
the turret is the filter placed in the optical path. Select
the filter suitable for your purpose, and place it into
the optical path by turning the turret.
Each turret is provided with an optional (USER) slot
to add a desired filter. Use the slot if necessary. (For
attaching an optional filter, refer to “4.11.”)
Turret position
Filter
Indication
Usage
ND16
(Neutral Density filter)
ND16
Adjusts the brightness for general microscopy
or photomicroscopy. Reduces the light intensity
to 1/16. (Transmittance: approx. 6.3%)
ND4
(Neutral Density filter)
ND4
Adjusts the brightness for general microscopy
or photomicroscopy. Reduces the light intensity
to 1/4. (Transmittance: approx. 25%)
Optional
USER
Attach as desired
Turret 1:
on user-side
Dummy OPEN
Without
filters
GIF (Green Interference
filter)
GIF
Improves the contrast for microscopy under a
monochrome light or when performing
monochrome imaging.
NCB11 (Neutral Color
Balancing filter)
NCB
Corrects the color temperature for general
microscopy or filming by daylight color TV
camera photography. Color reproduction is best
when this filter is inserted into the optical path,
and the lamp voltage is set to the same display
as the lamp rating. Remove from optical path
when performing monochrome imaging.
Optional
USER
Attach as desired
Turret 2:
on far-side
Dummy OPEN
Without
filters
Filter currently
in the optical
path displayed
Filter turret 1
Filter turret 2
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