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4.3 Adjusting the aperture diaphragm (AS)
NOTE:
If you do not combine the eyepieces, the standard straight tube and the centering telescope are necessary. Contact us for
assistance.
1.
Select BF.
2.
Bring the sample into focus.
3.
When you remove the eyepieces and look into the observation tube, you can see the image of aperture diaphragm.
Send the command so that the image of aperture diaphragm becomes approx. 70% of the diameter of the pupil of
objective (as shown in the picture below). For details on the commands, refer to the command reference manual.
TIP:
The optimum pulse numbers for typical objectives are listed below.
Objective
AS recommended
pulse number
[pulses]
Objective
AS recommended
pulse number
[pulses]
Objective
AS recommended
pulse number
[pulses]
MPLFLN1.25X
1571
MPLFLN100X
MPLFLN100XBD
361
LMPLFLN100X
LMPLFLN100XBD
309
MPLFLN2.5X2
MPLFLN2.5X2BD
1571
MPLFLN150XBD
204
MPLAPON50X
887
MPLFLN5X2
MPLFLN5X2BD2
1465
LMPLFLN5X
LMPLFLN5XBD
1255
MPLAPON100X
388
MPLFLN10X
MPLFLN10XBD
1465
LMPLFLN10X
LMPLFLN10XBD
1203
MXPLFLN20X
1465
MPLFLN20X
MPLFLN20XBD
1071
LMPLFLN20X
LMPLFLN20XBD
940
MXPLFLN20XBD
1334
MPLFLN50X
MPLFLN50XBD
729
LMPLFLN50X
LMPLFLN50XBD
414
MXPLFLN50X
MXPLFLN50XBD
729
28
4.3 Adjusting the aperture diaphragm (AS)
4. Operation procedures