Olympus BHT-111 Gebrauchsanweisung - Seite 17

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Use the field of view eyepieces for focusing on the film plane. Each field of vieweyepie

has a focusing front lens and a reticle with 4 frames, each frame indicating the area cover

by a specif ic power N F K photo eyepeice. (Fig. 22!-.

The number at each frame indicates the

magnification of the photo eyepiece. The

image in the field of view eyepiece and the

image on the film plane are in focus at the

same time. Several type field of view eye-

pieces are available, according to the film

size employed.

Field of view eyepiece

35WH Kl OX

PWH Kl OX

4X5WH K 1OX

MHWH Kl OX

Attachment camera

3 5mm B a ck

3T+" x 4Y+"

P ol a ro i d

B ac k

4" x5 "

S h e et F i lm or

P ol a ro i d F i lm

H ol d er

1 6 m m B o l e x

camera

1 2 0 R o l l F i l m

H o l d e r

1) Select the field of view eyepiece matching the camera back in use and insert it into th

right eyepiece tube of the trinocular tube, aligning locating groove and locating pin.

2) While looking through the field of view eyepiece, rotate the eyepiece front lens in scre

mount to focus on the double cross lines in the field. For sharp focusing with objectiv

4X or lower, the focusing magnifier FT is recommended.

3) Bring the specimen detail to be photographed within the frame corresponding to th

power of the NFK eyepiece in use and focus on the specimen with the microscope fin

adjustment knobs. Make sure the light path selector knob on the observation tube

either on the white (V) or yellowgreen (CV) band.

4) lt is recommended to tighten the tension adjustment ring considerably to prevent th

stage from dropping during long exposures.

Fig.22

1 5