| Model | 
YR0237 | 
YR0237-1 | 
| Head | 
Seidentopf Binocular Head, Inclined at 30°, Interpupillary Distance 52-75mm,Eyepiece Tubes Rotated 180° Up & Down | 
o | 
 | 
| Seidentopf Trinocular Head, Inclined at 30°, Interpupillary Distance 52-75mm,Eyepiece Tubes Rotated 180° Up & Down | 
 | 
o | 
| Eyepiece | 
Wide Field Eyepiece WF10x/18mm | 
| Objective | 
Infinite Semi-Plan Achromatic Objective 4x,10x,40x,100x | 
| Nosepiece | 
Backward Quadruple Nosepiece | 
| Stage | 
Double Layer Mechanical Stage, Size 140×140mm, Moving Range 75×50mm | 
| Condenser | 
Sliding-in Center Adjustable Condenser N.A.1.25 | 
| Focusing | 
Coaxial Coarse & Fine Adjustment, Moving Range 20mm | 
| Illumination | 
S-LED Illumination, Adjustable Brightness | 
| Laboratory Biological Microscope Optional Accessories | 
| Eyepiece | 
WF10x/20mm, Diopter Adjustable | 
YR0237-1-op1 | 
| Objective | 
Infinity Plan Achromatic Objective 4x | 
YR0237-1-op2 | 
| Infinity Plan Achromatic Objective 10x | 
YR0237-1-op3 | 
| Infinity Plan Achromatic Objective 40x | 
YR0237-1-op4 | 
| Infinity Plan Achromatic Objective 100x | 
YR0237-1-op5 | 
| Illumination | 
6V20W Halogen Lamp, Brightness Adjustable | 
YR0237-1-op6 | 
| Dark Field | 
Dark Field Condenser, Dry, N.A.0.7~0.9 | 
YR0237-1-op7 | 
| Dark Field Condenser,Immersion, N.A.1.25~1.36 | 
YR0237-1-op8 | 
| Dark Field Objective, Infinity Plan 100X, | 
YR0237-1-op9 | 
| ForImmersion Dark Field Observation | 
| Dark Field Objective, Infinity Plan 100X, With Iris Diaphragm | 
YR0237-1-op10 | 
| ForImmersion Dark Field Observation | 
| Phase Contrast | 
Infinity Plan Turret Phase Contrast Set | 
YR0237-1-op11 | 
| –Infinity Plan Turret Phase Contrast Condenser | 
| –Ininity Plan Phase Contrast Objective 4x,10x,40x,100x | 
| –Centering Telescope 10x | 
| Infinity Achromatic Turret Phase Contrast Set | 
YR0237-1-op12 | 
| –Infinity Achromatic Turret Phase Contrast Condenser | 
| –IninityAchromatic Phase Contrast Objective 4x,10x,40x,100x | 
| –Centering Telescope 10x | 
| LED EPI-Fluorescent Kit | 
EPI Light 3W LED 465~475nm, B Excite Filter BP460~490 | 
YR0237-1-op13 | 
| EPI Light 3W LED 525~530nm, G Excite Filter BP510~550 | 
YR0237-1-op14 |