Nikon Labophot Інструкція з експлуатації - Сторінка 17

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Nikon Labophot Інструкція з експлуатації

Viewing

through

the attached

focusing

magnifier, move it back and forth until the

double cross line is seen clear. Then, focus

the double cross line and the specimen

image by rotating the fine focus knob as

sharp as possible.

the double cross line so as their relative

position

is fixed

and

unchaned

under

observation by swinging your eye laterally.

(Focusing by parallax method.)

•

Using 4X or lower objective:

Attach

the

focusing

magnifier

the

ocular finder. (Fig. 18)

Adjust diopter.

•

Binocular of eyepiece tube:

Use 4X or lOx objective.

Insert the mask eyepiece into either of

right or left eyepiece

sleeve

that

is ac-

customed to usual use. Adjust the dioPter

ring to bring the double cross line in the

view

field center into focus. (Fig. 16)

Then focus the specimen image also on the

central area of the mask by means of the

focus knoq of the microscope.

The diopter of another eyepiece is to be

adjusted by focusing specimen rotating the

diopter ring without using the microscope

focus knob.

Rotate the mask eyepiece so as the mask

positions as shown in Fig. 19 .

•

Ocular finder:

Adjust

the diopter ring so as the double

cross line in the

view

field center can be

seen clear and each line separated. (Fig. 17)

111 __

Double cross line

::::::mE''':;''' __

of the mask eyepiece

Focusing magnifier

Ocular finder

\lilill

Fig. 18

Fig. 16

Double cross line

«;

<» •••

of the ocu lar finder Af;7 ~

Fig. 17

(2)

Make focusing according to the magnifica-

tion of

objective

to be used.

•

Using 40X or higher objective:

With diopter adjusted eyepiece make the

specimen

image sharp by

rotating

the

microscope fine focus knob and make sure

that both of the double cross line and the

specimen image are seen crisply at the same

time.

•

Using

medium

magnification

objective

10X, 20X, etc.:

After

focusing

the same way as

above,

bring the specimen image to coincide with

8. Picture composing

Compose the picture within

the mask in

the ocular finder corresponding to the film

size in use by driving the microscope stage

by lateral and longitudinal

movement

and

rotation. (Fig. 19)

For 3Smm film

For 4"XS"

Polaroid film

ForJ~'X4~'

Polaroid film

For6X9

roll film

Double crossline

Finder mask

Fig.19

Masks of the mask eyepiece are appli-

cable to 35mm film picturE! composing .

Select one out of masks suitable to the

CF PL Projection lens in use.

Note that, however, framing for picture

composing will be more accurate by the

ocular finder than the mask eyepiece.