Using The Filter - Olympus BXFM Instructions Manual

BX3M-URAS-S or BX3M-RLA-S
BX3M-RLAS-S or BX3M-KMA-S
34
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1
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Using the filter

1
Insert the filter slider suitable for the intended observation into the
filter insertion slot a to engage in the light path. Be sure to insert
the filter slider from the left side of the reflected light illuminator.
The first level (position where the clicking sound is heard first) is
an empty hole. The filter is engaged in the light path at the second
level (position where the clicking sound is heard next).
Filter slider position
First level (pulled out)
Second level (pressed in)
Filter to use
U-25LBD
(Color temperature
conversion filter)
U-25LBA
(Color temperature
conversion filter)
U-25IF550
(Green filter)
U-25Y48
(Yellow filter)
U-25ND50-2
(Light volume adjustment
filter)
U-25ND25-2
(Light volume adjustment
filter)
U-25ND6-2
(Light volume adjustment
filter)
U-25FR
(Frost filter)
U-25L42
(UV cut filter)
U-BP1100IR
(Band-pass filters for IR)
U-BP1200IR
(Band-pass filters for IR)
Empty slider
U-25
If you want to insert the filter from the right side of the reflected
TIP
light illuminator, contact Olympus.
Light path
Empty hole
Filter
Purpose
Sets the illumination light of the
halogen bulb to the daylight color.
Sets the illumination light of LED to the
illumination color of the halogen bulb.
Increases the contrast of the
observation image.
Contrast filter for semiconductor wafer
observation
Adjusts the brightness of the light
source.
(Transmittance: 50%)
Adjusts the brightness of the light
source.
(Transmittance: 25%)
Adjusts the brightness of the light
source.
(Transmittance: 6%)
The light volume decreases, but the
illumination without unevenness can
be obtained.
Cuts the ultraviolet ray to prevent the
tarnish on the polarizer caused by the
mercury lamp housing.
Filter for IR (wavelength: 1100 nm)
observation
Filter for IR (wavelength: 1200 nm)
observation
Used by combining arbitrary filters.