Biological_Microscope

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Pre-focusing Knob (Pig. 9)©The profocusing knob controls the mechanism for preventing collisionbetween lne speclrrien and objectlve.1. After bringing the specimen Into focus, turn the pre-focusing knob ®inside the hole of the arm so that the pre-focuslng mechanism hits thestage guide2. To provide a certain margin for focusing, rotate the knob by about halfturn backward from the stopped position.* lf the function Of this mechanism ls not required, set the pne-focuslngknob ® at the highest position.a I Adjusting the lntgrpupillary DIstanc-6(Plo. 10)©The interpupillary distance adjustment conslsts of regulating the two eyepiecesaccording to that between your eyes so that you can observe asingle microscopic image through two eyepieces. This greatly helps toreduce fatigue during observation• While looking through the eyepieces, move both eyepieces until the leftand right fields of view coincide completely.The position of index dot . indicates the interpupillary distance value.©Note your interpupillary distance so that it can be quickly duplicatedPig, 10a Ad|ust!ng the Diopter(Plo.11)®The dlopter adjustment consisls of compensating for the clliferenco lneyesight between your eyes.1. Whlle looking through the right eyepiece with your right eye, rcttatethe coarse and fine focus adjustment kncibs to bring the specimenInto focus.2 While looking through the left eyepiece witr\ your left eye, rotate only thediopter adjustment ring © to focus on the specimen.Uslng the Eye Shades (Pig. 12)When Wearing EyeglassesUse with the eye shades in the normal, foldedrdown position. Ttiis w"prevent the eyeglasses from being scratchedWhen Not Wearing EyeglassesExtend the folded eye shades in the direction of the arrow to preventextraneous light from entenng between the eyepieces and eyesPig.12
CX21LEDaa)Adjusting the Condenser Positl-onand Aperture Iris Diaphragm (Flg. 13)©The condenser is usually used in the highest position. If the entire observedfield of view is not bright enough, brightness may bo improved by loweringthe condenser slightly.1. Potate the condenser height adjustment knob ® to move the condenserto the highest position.2, The aperture iris diaphragm ring ® has an objective magnificationscal© (4X, lox, 40X,100X) F`otate the ring so that the magnificationof the objective ln use faces frontwardPig. 13Swltching the Objectives#,`;.I¢ti'.-;€t¥-y-vi (Plg. 14)Hold and rotate trie revolving nosepiece ® so that the objective to beused come exactly abcjve the specimen.Fig. 14I,_
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Biological_Microscope

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