EYEPIECESPair of WF10x/21 mm eyepieces supplied with eyecups. HEAD• Binocular 45° inclined tubes.• Diopter adjustment on one eyepiece.• Interpupillary distance adjustable between 55 mm and 75 mm. All optics are anti-fungus treated and anti-reflection coated for maximum light throughput. DUAL MAGNIFICATION MODELS• Nosepiece with dual 2x/4x revolving objectives.• Magnifications 20x/40x (can be enlarged to 135x).• Working distance 100 mm. MAGNIFICATIONSWorking distance and field of view specifications. EYEPIECES - 10x/21 mm Magnificationadditional lens Workingdistance Minimummagnification Maximummagnification Maximumfield of view Minimumfield of view 0.5 170.0 3.5 22.5 59.9 9.3 0.75 114.0 5.3 33.8 40.0 6.2 Standard 100.0 7.0 45.0 30.0 4.6 1.5 48.0 10.5 67.5 19.9 3.1 EYEPIECES - 20x/10 mm Magnification additional lens Workingdistance Minimummagnification Maximummagnification Maximumfield of view Minimumfield of view 0.5 170.0 7.0 45.0 28.6 4.4 0.75 114.0 10.5 67.5 19.0 3.0 Standard 100.0 14.0 90.0 14.3 2.2 1.5 48.0 21.0 135.0 9.5 1.5 STANDS• The rack & pinion stand of the StereoBlue is equipped with an ergonomically designed flat base, complete with two object clamps and Ø 60 mm transparent and black/white stage plate.• The coarse adjustment is equipped with tension control.• The stands are alloy metal cast with hardened coating. ILLUMINATION• With 3W transmitted and incident LED illuminators which can be used simultaneously or adjusted separately. PACKAGE CONTENTSupplied with power cord, dust cover, eyecups, a spare fuse, Ø 60 mm transparent and black/ white stage plates, and user manual. All packed in a polystyrene box The spare fuse, Ø 60 mm transparent, and black/ white stage plates are not applicable for -U and -B models