Olympus VANOX-T - Page 25

Fig. 32
Filter selection
When the low voltage selector switch “PHOTO” @ is pressed, and the
LED filter @ is engaged, this microscope is designed to render opt
mum color temperature illumination for daylight-type color film,
(Fig. 28)
1) In case of daylight-type color film
Ascertaîn that the LBD filter © is pushed in and other filters are
pulled out. (Fig. 28)
2) In case of tungsten-type color film
© Pull out the LBD fiter(D. (Fig. 28)
© Mount the LBT filter @ into the additional filter slot DD. (Fig. 29)
3) In case of B&W film
+ Pull out the LBD filter ©). (Fig. 30)
+ Pull out the contrast filter knob "G" or "0" © (Fig, 30), and
insert other filters into the additional filter slot.
Framing
Frame the specimen image within the 35mm frame reticle
Reticle
36mm film format
1) To change the image magnification, rotate the photo eyepiece
selector knob D or change the objective magnification. (Fig. 31)
‘Magnification on film plane = Objective magnification X
Photo eyepiece magnification
2) To change the orientation of a specimen, rotate the stage.
Focusing
1) Rotate the diopter adjustment ring @ on each eyepiece with the
eye on that side, until the cross lines in the center of the field of
view are distinctly resolved as 2 lines. (Fig. 32)
*Repest this adjustment on the other eyepiece.
X— HA
2) Make sure that the images of the reticle and the specimen are
sharply focused simultaneously by means of the coarse and fine
adjustment knobs.
“Since the double cross lines in focus and the film plane are in
precise alignment, the image focused through the eyepieces and
the image on the film plane are in focus at the same time. There
fore, unless the diopter adjustment just described is perfect,
blurred pictures will result no matter how well the specimen may
be brought in focus visually
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