Adjust Interpupillary Distance - Optika Italy B-500 MET Manual De Instrucciones

4.0 USING THE MICROSCOPE
4.10 Video capturing (optional)
B-500MET be connected to cameras via a photo/video adaptor, for photo and video captur-
ing. Before taking a picture or filming video, if necessary, obscure with a dark cloth both the
camera viewfinder and the eyepieces and pull out the light path selector lever. Please refer
to the adaptor and camera manuals for further details.
Epillumination vision (metallography)
4.11 Lamp settings
The metallographic attachment is fitted with an high power white LED. Insert the plug of the
cable into the power socket and turn on the switch on the back of the main body. Turn the
brightness adjustment knob (on the left of the body) until you hear a "click", meaning that
the LED is on, then keep turning the knob to a brightness level suitable for observation.
Please note: if no light comes out from the objective, check that both diaphragms on the
metallographic attachment are open (levers UP).
4.12

Adjust interpupillary distance

Hold the right and left parts of the observation head by both hands and adjust the interpu-
pillary distance by turning the two parts until one circle of light can be seen. After finishing
the interpupillary adjustment, turn the dioptric adjustment ring on the left eye tube to the "0"
position at the graduation line on the eyetube.
4.13 Focus and diopter adjustment
Loosen the focus-stop knob (near the left focus knob), rotate the coarse focusing knob to
bring the slide into focus with an objective with a low magnification, and then lock the focus-
stop knob. Adjust the fine focusing knob to get the image sharp and clear while observing
with your right eye, then turn the left dioptric adjustment ring to a sharp and clear image
also with the other eye. Turn the tension-adjust-knob (near the right focus knob) to get a
suitable tension for the focus system. When the image is in focus, turn the nosepiece to
choose the objective you need.
4.14 Field diaphragm
Adjust the field diaphragm to control stray light. If you want to close the diaphragm, pull
down the lever:
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Field diaphragm
lever
Field diaphragm
centering screw