Nikon SMZ800 Manuale di istruzioni - Pagina 18

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Adjust the diopter.

This adjustment should be performed every time the observer is changed

since the eyesight differs between individuals.

1 Turn the diopter rings on both eyepieces to set them at the 0 position

(match the 0 line with the index line).

2 Turn the zooming knob to the highest magnification. Focus on the

sample using the focus knob. (Refer to "Focusing".)

3 Turn the zooming knob to the lowest magnification. Peering

through the left eyepiece with the left eye, focus on the sample using

the diopter ring on the left eyepiece. Then, peer through the right

eyepiece with your right eye and focus on the sample using the

diopter ring on the right eyepiece.

4 Repeat steps 2 and 3 until the image is kept focused even though the

zooming magnification is changed. This adjustment ensures sharp

image throughout the zooming range.

Focusing

Check the working distance.

The distance between the focus plane and the bottom of the objective is

called the working distance. Focusing is easier if beforehand the distance

between the specimen and the bottom of the objective is set to the working

distance. The working distance differs depending on the objective being

used. Please refer to Table 1 on p.36.

Focus on the sample.

Turning the focus knob moves the zooming body up and down and brings

focus on the sample.

[C-FMC]

Using the fine focus knob will permit the delicate focusing. Especially, it

is effective for the high magnification observation.