Levenhuk 2st, бинокулярный [5/28] Levenhuk
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Levenhuk 2st, бинокулярный [5/28] Levenhuk

Levenhuk 2st, бинокулярный [5/28] Levenhuk

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Preparations Place a specimen in the center of a blank slide put the slide on the stage and lock it in place with stage clips Eyecups For additional comfort during observations you can use rubber eyecups on both eyepieces Focusing diopter adjustment interpupillary distance Place a slide on the stage and lock it in place with stage clips Loosen the locking knob on the microscope pole and slide the head up or down into a desired position and retighten the locking knob Look through the right eyepiece and turn the objective lens handle until you see the specimen in your field of view Afterwards turn the focus knob until the image is sharp and clear Look through the left eyepiece and rotate the diopter adjustment ring until the image is sharp and clear Do not adjust focus during diopter adjustment Upon completing this process look through both eyepieces hold them with your hands and bring them closer or move them apart until a double image turns into a single image Changing objective lenses Levenhuk 3ST has a revolving nosepiece with two objective lenses To switch between them you have to rotate the nosepiece Changing halogen lamps and fuses Levenhuk 3ST CAUTION Before changing a lamp or a fuse make sure the microscope is unplugged from a power source Also wait until the lamp cools down Changing the upper illumination source lamp Levenhuk 3ST Loosen the locking screw on the upper illumination source housing and remove the light socket from within Replace the old lamp with a new one and put the light socket back Retighten the locking screw Changing the lower illumination source lamp Levenhuk 3ST Loosen the locking screw on the stage and remove the glass Remove the old lamp from the light socket and replace it with a new one Put the glass back in its place and retighten the locking screw Changing the fuse Fuse box is located on the bottom of the microscope base Remove the cover and replace the old fuse with a new one Care and maintenance After unpacking your microscope and before using it for the first time check for integrity and durability of every component and connection Do not touch the optical surfaces with your fingers You can use a soft napkin or a cleaning wipe dipped in ether or absolute alcohol to clean lenses We recommend using special optics cleaning fluids from Levenhuk Do not use any corrosive or acetone based fluids to clean the optics Abrasive particles such as sand should not be wiped off lenses but instead blown off or brushed away with a soft brush levenhuk Zoom Joy 4

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