Olympus BXFM-ILH Instructions Manual - Page 16

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4-4 Reflected Light Illuminator (U-KMAS)

Fig. 15

Using the Filters

}Engage the optimum filter sliders for the purpose of observation in the

two filter insertion slots @. Be sure to insert them in the direction shown

in Fig. 15.

The first click position is the idle position and the second click engages

the filter in the light path.

Usable Filters

U-25LBD

(Color temperature conver-

sion filter)

U-25IF550

(Green filter)

U-25Y48

(Yellow filter)

U-25ND50-2 (Light intensity

adjustment filter)

U-25ND25-2 (Light intensity

adjustment filter)

U-25ND6-2 (Light intensity

adjustment filter)

U-25FR

(Frost filter)

U-25L42

(UV cut filter)

Applications

Turns the illumination light into daylight.

Used in general observations and color

photography.

Enhanced contrast in monochrome obser-

vation.

Used in monochrome photography.

Contrast filter for observation of semicon-

ductor wafers.

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%)

Reduces irregularity in the illumination field,

but also reduces the brightness.

Cut ultraviolet rays. Used to prevent the po-

larizer from being burnt by a high-intensity

light source.

(Fig. 15)