| Model | 
YR0262 | 
YR0263 | 
| Optical System | 
Infinity Optical System | 
| Head | 
Seidentopf Trinocular Head, 30° Inclined, Interpupillary 48~75mm, Diopter Adjustable | 
| Eyepiece | 
Plan Eyepiece EW10x/22mm, Eyepiece Tube Dia.30mm | 
| Plan Eyepiece With Scale of Crosshair | 
| Plan Eyepiece With Cross | 
| Plan Eyepiece With Gridding | 
| Nosepiece | 
Backward  Quintuple  Nosepiece | 
| Objective | 
Strainfree LWD Infinity Plan Achromatic Objective | 
5x/0.12/∞/- W.D.15.5mm | 
| 10x/0.25/∞/- W.D.10mm | 
| 20x/0.4/∞/0 W.D.4.3mm | 
| 50x/0.75/∞/0 W.D.0.32mm | 
| 100x/0.8/∞/0 W.D.2mm | 
| Strainfree Infinity Plan Achromatic Objective | 
40x/0.65/∞/0.17 W.D.0.54mm | 
– | 
o | 
| 100x/1.25/∞/0.17 W.D.0.13mm | 
– | 
o | 
| Nosepiece | 
Backward Quintuple Nosepiece, Center Adjustable | 
| Analyzer | 
360° Dial Rotation Analyzer, Minimum Scale Reading 0.1° (Vernial Scale) | 
| –Switch Between Orthoscopic And Conoscopic Observation | 
| –Bertrand Lens Postion Adjustable | 
| –Optical Compensator: λ Slip (First Class Red), 1/4λ Slip, Quartz Wedge | 
| Working Stage | 
Polarizing Rotatable Stage, Dia.170mm, Center Adjustable | 
| 360° Scale, Minimum Division 1° | 
| Minimum Reading 6′ By Means of Vernial Scale | 
| 45° Click Stop Knob | 
| Condenser | 
Strainfree Swing Condenser N.A.0.95/0.25 | 
| Focusing | 
Coaxial Coarse & Fine Adjustment, Focusing Range 32mm, Fine Division 0.001mm, Coarse Stroke 37.7mm Per Rotation, Fine Stroke 0.1mm Per Rotation | 
| Polarizer | 
For Reflect: Fixed Polarizer | 
| For Transmit: 360° Rotatable Polarizer, 0° Position Adjustable | 
– | 
o | 
| Illumination | 
Reflect Light Halogen Lamp 24V100W, Brightness Adjustable | 
| Transmit Light Halogen Lamp 24V100W,Brightness Adjustable | 
– | 
o | 
| Blue Filter, Dia.45mm | 
|  Reflect, Reflect & Transmit Polarizing Microscope Optional Accessories | 
| Stage | 
Attachable Stage, Moving Range 30*40mm | 
YR0263-op1 | 
| Filter | 
For | 
Netural Filter ND25, Dia.45mm | 
YR0263-op2 | 
| Transmit Light: | 
Netural Filter ND6, Dia.45mm | 
YR0263-op3 | 
| For | 
Blue Filter, Dia.25mm | 
YR0263-op4 | 
| Reflect Light: | 
Netural Filter ND25, Dia.25mm | 
YR0263-op5 | 
 | 
Netural Filter ND6, Dia.25mm | 
YR0263-op6 | 
| Adapter | 
Photo Adapter | 
YR0263-op7 | 
| C-Mount 1.0x | 
YR0263-op8 | 
| C-Mount 0.5x | 
YR0263-op9 |