Levenhuk 3S NG [4/20] Levenhuk
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Levenhuk 3S NG [4/20] Levenhuk

Levenhuk 3S NG [4/20] Levenhuk

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Levenhuk 2S 3S biological microscope Congratulations on your purchase of this wonderful Levenhuk microscope This instrument was made to the highest international standard and when used in accordance with this manual is not hazardous to the environment your possessions or your health This microscope was designed for observations of biological specimens and for basic lab work Specifications Magnification Achromatic objective lens Eyepiece Working distance 200x 16x H12 5x 4 5 mm 0 18 in Focusing range Stage size Mirror diameter 20 mm 0 79 in 100 mm x 90 mm 3 94x 3 54 in 40 mm 1 58 in Using the microscope Place your microscope on an even surface The mirror acts as an illumination source so make sure that you choose your working place accordingly During daytime an ideal spot is by the window in the evenings it should be well lit by a bright lamp Rotate the mirror so that you see a bright circle of light through the eyepiece Do not under any circumstances point the mirror at the sun as this may cause permanent retinal damage Place a prepared slide on the stage and secure it in place with stage clips Use the focus knob until the objective lens almost touches the cover glass of the slide Avoid touching the slide with the objective lens as this may damage on or the other After lowering the microscope tube look through the eyepiece then use the focus knob to bring the tube up and focus the view For additional comfort during your observations you can incline the eyepiece and the stage by pulling the microscope arm 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 Do not apply excessive pressure when adjusting focus Do not overtighten the locking screws Protect the device from sudden impacts and excessive mechanical force Store the device in a dry cool place away from dust hazardous acids and other chemicals away from heaters open fire and other sources of high temperatures Do not use the device for lengthy periods of time or leave it unattended in direct sunlight Keep the device away from water and high humidity Be careful during your observations always replace the dust cover after you are finished with observations to protect it from dust and stains If you are not using your microscope for extended periods of time store the objective lenses and eyepieces separately from the microscope levenhuk Zoom Joy

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