Magnification; Use Of Aperture Diaphragm; Use Of Trinocular Port - Optika Italy SZR Serie Manual De Instrucciones

9.3

Magnification

1. Select the desired magnification by adjusting the zoom knob
①. (Fig. 15)
• Change the eyepieces if a different magnification range is
needed.
• The microscope body is equipped with a "click-stop"
function that allows to obtain a precise setting of the desired
magnification.
• Total magnification used can be calculated as:
Eyepiece magnification * Zoom magnification * Objective lens
magnification.
Eyepiece
Field number (mm)
Objective
1X
9.4

Use of aperture diaphragm

By varying the diaphragm aperture, the user can adjust the image
to achieve better contrast and greater depth of field. (Fig. 16)
1. Move the aperture diaphragm lever ② to the right or left.
Rotation towards " " opens the diaphragm while rotation
towards " " closes it.
2. Adjust the diaphragm during observation to optimize the
effect on contrast and depth of field.
• Do not close the diaphragm too tightly so as not to have
a poor image quality and not to have an excessively dark
image.
9.5

Use of trinocular port

Observation head is equipped with a light split selector ③. (Fig.
17)
1. Moving the selector to the "eye" position ④ allows the
binocular observation.
2. Moving the selector to the "camera" position ⑤ allows the
trinocular observation.
• When the selector is in the "camera" position the right
eyepiece will be completely dark. This is not a defect.
10x
24
Total Mag F.O.V (mm)
7.5X - 135X 30.67 - 1.7
Page 13
①
F ig. 15 F ig. 15
②
F ig. 16 F ig. 16
③
④ ⑤
F ig. 17 F ig. 17