40 DescriptionG-30-1439-en OPMI® VISU 200 BrightFlex™ Surgical Microscope Issue 3.0Printed on 21. 11. 2002Tube and eyepieces for main microscope1 180° tiltable tube2 PD adjustment knobThe correct interpupillary distance has been set when both eyepieceimages merge into one.3 Push-in widefield eyepieceNote:When you remove the eyepiece from the tube, please note that thiseyepiece is fitted with a magnetic coupling. When mounted, the eye-pieces display a very weak magnetic field. For this reason, the usualrules for the handling of magnets must only be observed with eye-pieces which have not been mounted on the microscope:• Do not place the eyepieces close to instruments where there is anyrisk of magnetization.• Do not place eyepieces on sensitive electronic instruments such as in-fusion pumps, cardiac pace-makers, measuring instruments or mag-netic data carriers such as disks, audiotapes and videotapes or creditcards.• Always store the eyepieces in their original packaging when not inuse.4 EyecupAlways adjust the eyecups in such a way that you can see the full fieldof view.5 Diopter setting ringThe eyepieces provide ametropia compensation from -8 D to +5 D. Ifyou wear your eyeglasses during work, adjust the ring to 0 D. Turn thering until you have found the optimum setting. A built-in catch leverlocks the ring in the position set.6 Diopter scaleFor reading the prescription set.– Viewing witheyeglasses:Screw in eyecups all the way.– Viewing withouteyeglasses:Screw eyecups outward until you cansee the full field of view.