SM Binocular body (＃1561) with 

         WFH10X-D/21 Eyepiece (＃2180)

SM Trinocular body (＃1562) with 

        WFH10X-D/21 Eyepiece (＃2180)

(1)     Design principle: two parallel beam paths optic 

          system,  modular construction

(2)  Standard set:  SM optic head with 1.0x  plan 

          achromatic  objective

(3)  Zoom range: 0.62x-5x

(4) Zoom ratio: 8:1

(5)     Magnification: 6.2x-50x 

        (with accessory lens: 1.9x-400x )

(6) Working distance: 80mm 

         (with accessory lens: 26mm-296mm)

(7)Field of view:  33.9mm- 4.2mm 

(with accessory  lens: 106mm- 0.6mm)

(8)Interpupillary distance: 50mm-75mm

(9)  Dioptric correction:  +5 -- -5

(10)  Optional objective: planachrmatic: 0.32x , 0.5x,

         0.63x achromatic: 1.6x, 2.0x

(11) Optional eyepiece:  WFH10x-D/21, WF16x,

                               WF20x, WF25x