11
Fig. 5
5
Using the Filters
(Fig. 5)
}Engage the optimum filter sliders for the purpose of observation in the two
filter insertion slots @. Be sure to engage from the left side.
The first click position is the idle position and the second click engages
the filter in the light path.
Usable Filters
Applications
U-25LBD
(Color temperature conver-
sion filter)
Turns the illumination light into daylight.
Used in general observations and color pho-
tography.
U-25IF550
(Green filter)
Enhanced contrast in monochrome obser-
vation.
Used in monochrome photography.
U-25Y48
(Yellow filter)
Contrast filter for observation of semicon-
ductor wafers.
U-25ND25-2 (Light intensity
adjustment filter)
Adjusts the brightness of the light source.
(Transmittance: 25%)
U-25ND6-2 (Light intensity
adjustment filter)
Adjusts the brightness of the light source.
(Transmittance: 6%)
U-25FR
(Frost filter)
Reduces irregularity in the illumination field,
but also reduces the brightness.
U-25L42
(UV cut filter)
Cuts ultraviolet rays. Used to prevent the po-
larizer from being burned by a high-inten-
sity light source.
@
U-25ND50-2 (Light intensity
adjustment filter)
Adjusts the brightness of the light source.
(Transmittance: 50%)
