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Trinocular viewing head,inclined at 45º,extra wide field EW10X/22,zoom objective 0.8x-5x,zoom ratio 6.3:1,working distance:115mm,interpupillary distance 55-75mm,Glass insert glass plate ,diameter 125mm,illumination :incident illumination 100x-240v/LED,tran, you want to know more,you can refer to my nbkele dot net.
