| Optical system | Finite color corrected optical system | 
| Viewing head | 30° inclined monocular head | 
| 30° inclined binocular head, interpupillary distance: 50-75mm, ±5
diopter adjustable | 
| 30° inclined trinocular head, splitting ratio R:T=80:20,
interpupillary distance: 50-75mm, ±5 diopter adjustable | 
| 30° inclined digital viewing head, built-in 3.0 mega pixels CMOS,
USB output; interpupillary distance: 50-75mm, ±5 diopter adjustable | 
| Eyepiece | Wide field plan eyepiece PL10X/18mm with/without reticle;
PL10X/18mm with/without pointer | 
| Objective | Achromatic objective( 4X, 10X, 40X, 100X) | 
| Plan achromatic objective( 4X, 10X, 40X, 100X) | 
| Nosepiece | Quadruple nosepiece | 
| Frame | Coaxial coarse and fine adjustment, with coarse adjustment stop and
tightness adjustment, range: 25mm, precision: 0.002mm.3W LED,
center presetting, intensity adjustable, external wide voltage AC
adapter, 100V-240V_AC50/60Hz input, DC7.5V 2A output. | 
| Coaxial coarse and fine adjustment, with coarse adjustment stop and
tightness adjustment, range: 25mm, precision: 0.002mm.3W LED,
center presetting, intensity adjustable, external wide voltage AC
adapter, 100V-240V_AC50/60Hz input, DC6V 2A output. | 
| Coaxial coarse and fine adjustment, with coarse adjustment stop and
tightness adjustment, range: 25mm, precision: 0.002mm.3W LED,
center presetting, intensity adjustable, internal switch
100V-240V_AC50/60Hz | 
| Coaxial coarse and fine adjustment, with coarse adjustment stop and
tightness adjustment, range: 25mm, precision: 0.002mm.3W LED,
center presetting, intensity adjustable, internal 4 pieces
rechargeable batteries, external wide voltage battery charger,
100V-240V_AC50/60Hz input, DC6V 1A output. | 
| Stage | 132mmX140mm double layers mechanical stage, moving range:
50mmX76mm, precision: 0.1mm. | 
| Condenser | N.A.1.25 Abbe condenser with iris diaphragm | 
| Others | Filters for transmitted light: blue/yellow/green | 
| Camera accessories: 0.35X/0.5X/1X focusing C-mount |