Olympus SZX7 Руководство по эксплуатации - Страница 23
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3
Using the Aperture Iris Diaphragm
}Adjusting the aperture iris diaphragm makes it possible to improve the contrast of the observation image and increase
the focal depth.
However, the resolution is degraded when the aperture iris diaphragm is stopped down.
· Slide the aperture iris diaphragm lever.
Slide toward the left ¦ to open the aperture iris diaphragm and toward the right
image to confirm the effects on the contrast and focal depth.
# Stopping down the aperture iris diaphragm too much may degrade resolution or cause an insufficiency in the
peripheral brightness. This insufficiency tends to occur particularly at high zoom magnifications.
# When the SZX-ILLC coaxial illuminator is used, stopping down the aperture iris diaphragm to the minimum may
cut off part of image. In this case, open the aperture iris diaphragm to an intermediate position.
9-3 BX Stage Adapter Type 1 SZX-STAD1
1
Introduction
The SZX-STAD1 is an adapter for use in mounting the U-SRG or U-SRP rotary stage on the SZ2-ST standard stand, SZX-ST
standard stand, large stand or SZX illumination stand. The U-SRP is used in combination with the U-FMP mechanical
stage to enable movement in the X- and Y-directions, which is convenient for framing in photomicrography or TV obser-
vation. To compensate for the height of the stage adapter, it is recommended to use also the SZ2-ET auxiliary slave when
the SZ2-ST is used or the SZH-P400 auxiliary column (and the SZX-R drop prevention ring also) when the SZX-ST or SZX
illumination stand is used.
2
Applicable Stands and Restrictions
Stands
· Standard stand
SZ2-ST
SZX-ST
· Large stand
SZ-STL
SZX-STL
· Transmitted illumination stand
SZ2-ILA
· Transmitted illumination stand
SZX-ILLK
· High-class transmitted illumination
stand
SZX-ILLB2
· Transmitted brightfield/darkfield illu-
mination stand
SZX-ILLD2
Applicable Objectives
0.5X to 2X
Peripheral part of image is cut off at
low magnifications.
The restrictions are identical whether or not the stage adapter is used.
(Refer to the instruction manual for the SZX illumination stand.)
The transmitted light illumination field may be limited depending on the
diameter of the hole on the stage center plate in use.
# Darkfield observation is not available with the SZX-ILLD2.
# The brightness drops when a frost filter is used.
to close it. Adjust while observing the
Restrictions
None
The SZ2-ST is also required.
SZX7
20