Nikon OPTIPHOT-POL Інструкція з експлуатації - Сторінка 15

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Nikon OPTIPHOT-POL Інструкція з експлуатації

Orientation

plate

Fig. 24

•

The dia-polarizer

rotates

3600,

and can be

detached

from

the

substage by pulling

downward.

(Fig. 25)

For

attaching

the dia-polarizer,

push it

with

the

on the

dia-polarizer

into

coincidence with the groove at the position

of 0 on the bottom of the substage.

11) Filters

•

Put the filter with the frame into the filter

receptacle

between the

microscope

base

and the lamp housing. The accessory filters

are as shown below:

Table 2.

Use of Filters

Type of filter

Use

Diffuser

To be inserted in all cases

(Without frame)

except for lamp centering

NCB 10 filter

For general microscopy

(Color balancing filter)

and color photomicro-

graphy

2 filter (T=50%)

For brightness adjustment

ND 16 filter (T=6.25%)

For retardation measure-

GIF

ment and contrast-up

(Green interference)

monochromatic

photo-

micrography

Fig. 26

Fig. 25

•

The analyzer rotates

1800

via the rotation

ring, the left-hand side clamp being releas-

ed.

The

rotation

angle

readable

with

accuracy of

0.10

via the vernier.

The analyzer

can be taken

out of the

optical path by pulling out by the analyzer

knob. (Fig. 26)

Substage

clamp screw

rtY

Fig. 27

1 2) Lowering the substage

•

Releasing the clamp screw using a screw

driver, as shown in Fig. 27, permits lower-

ing the substage as far as 32mm from the

observing

position

beyond

the

moving

stroke of the focusing device.

So, the microscope

makes it possible to

examine

the

thicker

specimens

(mainly

in episcopic

polarizing

microscopy)

and

to use the universal stage.

13) Illumination system

•

The optical system for illumination

in the

OPTIPHOT-POL

microscope is constructed

to fulfill

the Koehler illumination

require-

ments

perfectly,

and

offers

bright,

uniform

field

without

any change-over

manipulation.

•

Halogen lamp 12V-50W

(OSRAM

64610

or PH I LIPS 7027) is used as a Iight source.

Analyzer

knob

Dia-polarizer

Analyzer

clamp screw

Analyzer

rotation

ring