Specifications Fieldmicroscope Magnification (x) 20x (fixed) Optical system Upright, unreversed image; eyepiece diopter adjustable for right eye; 56-to-72mm interpupillary distance adjustment Field of vision (mm) 11 (diameter) Angle of view (º) 12.6 Vertical adjustment 50mm from the base of stage Eye relief (mm) 11.1 Plate Removal and reversible (top: flat; underside: built-in cup) Light source 2.5V-0.5A halogen lamp Light settings On/off Power source CR 123A lithium battery; approx. 1-hour bat
20-60×80 폴라스코프 배율(Magnification) 20~60x zoom 구경(Objective lens , mm) 80 화각 2 ° at 20X 1 ° at 10X 1000M에서의 시계(Field of view at 1000M , m) 105ft at 20X 52ft at 60X 사출동공 4-1.33mm 길이 437.0mm 무게(Weight , kg) 1.2kg