| Items | A15.1302-A | A15.1302-B | A15.1302-C |
| Head | Monocular Head, 30° Inclined | Binocular Head, 30° Inclined, Interpupillary Distance 55~75mm | Trinocular Head, 30° Inclined, Interpupillary Distance 55~75mm |
| Eyepiece | WF10x/18mm, With Retical 0.1mm/Div | WF10x/18mm, High Eyepoint, 1pc WF10x/18mm, With Retical 0.1mm/Div, 1pc | WF10x/18mm, High Eyepoint, 1pc WF10x/18mm, With Retical 0.1mm/Div, 1pc |
| Nosepiece | Backward, Quadruple Nosepiece | ||
| Objective | Achromatic 4x,10x,40x(S),100x(O,S), 45mm DIN | ||
| Working Stage | Round Stage Dia 120mm, 360° Rotatable, Graduation 1° Increment, Minimum Resolution 6', When Using Venire Scale Center Adjustable | ||
| Condenser | Abbe N.A.1.25, With Dia 2~30mm Iris Diaphragm, With Filter Dia.32mm | ||
| Focusing | Coarse & Fine Focusing Knob, Range 14mm, Minimum Division Of Fine Focusing 0.01mm | ||
| Light | Build-in LED, 3.5V/1W, Brightness Adjustable. | ||
| Polarizing | Polarizer: On Light Collector, 360º Rotatable | ||
| Analyzer: Rotatable With Graduation 0~90º, Can Be Slided Out of Optical Path | |||
| Optical Compensator : | |||
| -- λ Slip (First Class Red) | |||
| --1/4λ Slip | |||