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The new SM20+3411B continuous zoom stereo microscope adopts a parallel light path and a zoom ratio of 8:1. The entire continuous zoom system from low to high magnification can provide high-definition and distortion free microscopic images. At the same time, this microscope system adopts a unique modular design, which can assemble a variety of accessories and provide you with clear and distortion free microscopes of the most value.

Technical Parameter

Zoom ratio	8:1	Zoom range	0.62x-5x
Pupil distance adjustment	55mm-75mm	Binocular tube adjustable visual acuity	+5 to -5 diopters
Basic configuration	SMstereo microscope host, flat field distortion free achromatic 1X objective lens:PLAN 1.0X,WFH10-D/21
Magnification factor	6.2x-50x(accessible through attachment：1.9x-400x)	Working distance	80mm(accessible through attachment：26-296mm)
Field of view range	?33.9-?4.2mm(accessible through attachment：?106-?0.6mm)

Configuration Parameter

Eyepiece	WFH10X-D/21		WFH16X/14		WFH20X/11		WFH25X/9		WFH40X/6		Working distance
Objective	Comprehensive magnification ratio	Field of view range	Comprehensive magnification ratio	Field of view range	Comprehensive magnification ratio	Field of view range	Comprehensive magnification ratio	Field of view range	Comprehensive magnification ratio	Field of view range	(mm)
0.32X	1.9-16x	106-13.1	3.2-25.6x	70.6-8.8	3.9-32x	55.4-6.9	5-40x	45.4-5.6	7.9-64x	32.2-3.8	296
0.5X	3.1-25x	67.7-8.4	5-40x	45.2-5.6	6.2-50x	35.5-4.4	7.8-62.5x	29-3.6	12.4-100x	19.4-2.4	187
0.63X	3.9-31.5x	53.8-6.7	6.2-50.4x	35.8-4.4	7.8-63x	28.2-3.5	9.8-78.8x	23-2.9	15.9-126x	15.4-1.9	149
1Xfixed	6.2-50x	33.9-4.2	9.9-80x	22.6-2.8	12.4-100x	17.7-2.2	15.5-125x	14.5-1.8	24.8-200x	9.7-1.2	80
1.6X	9.9-80x	21.2-2.6	15.9-128x	14.1-1.8	19.8-160x	11.1-1.4	24.8-200x	9.1-1.1	39.7-320x	6.1-0.8	50
2X	12.4-100x	16.9-2.1	19.8-160x	11.3-1.4	24.8-200x	8.9-1.1	31-250x	7.3-0.9	49.6-400x	4.8-0.6	26