Olympus SZX7 Instrukcja obsługi - Strona 24

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Using the aperture iris diaphragm

TIP

Slide the aperture iris diaphragm lever.

Slide toward the left

the image to confirm the effects on the contrast and focal depth.

NOTE

9-3 BX stage adapter type 1 SZX-STAD1

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 SZX2 illumination base. 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 camera observation.

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 SZX2-ST or

SZX2 illumination base is used.

Applicable stands and restrictions

· Standard stand

SZ2-ST / SZX2-ST

· Large stand

SZ-STL / SZX2-STL

· Transmitted illumination attachment

SZ2-ILA

· Quad position LED transmitted light

illumination base

SZX2-ILLTQ

· Single position LED transmitted light

illumination base

SZX2-ILLTS

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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.

to open the aperture iris diaphragm and toward the right

· 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.

Stands

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Applicable objectives

0.5X to 2X

Peripheral part of image is cut off at

low magnifications.

STAD mount for ILLT SZX2-STADM is necessary for using the stage adapter.

(Refer to the instruction manual for the SZX2-ILLTQ/ILLTS LED transmitted

light illumination base.)

to close it. Adjust while observing

Restrictions

None

The SZ2-ST is also required.