Chapter 3 Operation
3.5 Filter Operation
62
3.5 Filter Operation
Figure 3-12 Filter sliders (Dia Pillar Illuminator 100W)
Filter sliders can be attached to the pillar illuminator
(up to four on the 100W model, and three on the
30W model).
Use the necessary filters by attaching them to the
filter sliders.
The following filters are available:
Table: List of filters
Filter name Description
ND2
Adjusts the brightness for normal microscopy or photomicroscopy (ND: Neutral Density).
Reduces the light intensity to 1/2. (Transmittance: Approx. 50%)
ND4
Adjusts the brightness for normal microscopy or photomicroscopy (ND: Neutral Density).
Reduces the light intensity to 1/4. (Transmittance: Approx. 25%)
ND8
Adjusts the brightness for normal microscopy or photomicroscopy (ND: Neutral Density).
Reduces the light intensity to 1/8. (Transmittance: Approx. 12.5%)
ND16
Adjusts the brightness for normal microscopy or photomicroscopy. (ND: Neutral Density)
Reduces the light intensity to 1/16. (Transmittance: Approx. 6%)
NCB11
Corrects the color temperature for normal microscopy or filming by daylight type color TV
cameras (NCB: Neutral Color Balance). Color reproducibility is optimal when this filter is
placed in the optical path and the lamp voltage is matched to the lamp rating. Keep this
filter out of the optical path when filming in black and white.
GIF
Green interference filter. Improves the contrast for when observing under a monochrome
light or when filming in black and white.
D
Diffusion filter. This filter is made of frosted glass and will diffuse light. Use this filter to
equalize the illumination.
HA
Absorbs the heat rays in the illumination (HA: Heat Absorption). This filter reduces the
effect of heat on the specimen. While the dia pillar illuminators have a built-in heat
insulation filter, it is recommended that this filter be used for specimens that are sensitive to
heat.
IR
Infrared filter for PFS (IR: Infra-Red). Use this filter when using the PFS function with dia
illumination.
Filter sliders
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