text: **Model AY11228**
  1. Interpupillary Adjustment: 55mm - 75mm 
  2. Working Stage Diameter: 95mm 
  3. Focus Knob Adjustment Range: 60mm 
  4. Elevator Adjustment Range: 110mm 
  5. Right Diopter Adjustment Range: +4 to -6 dopters 
  6. Illumination: 
   Input Voltage: 110V AC or 220V 
   Output: Oblique illumination: 12V 10W Halogen Lamp 
  
  **Model AY11232**
  1. Interpupillary Adjustment: 55mm - 75mm 
  2. Working Stage Diameter: 95mm 
  3. Focus Knob Adjustment Range: >50mm 
  4. Elevator Adjustment Range: 110mm 
  5. Diopter Adjustment Range: +/- 5 diopters 
  6. Illumination: 
   Input Voltage: 110V AC or 220V 
   Output: Oblique Illumination: 12V 10W Halogen Lamp 
   Transmitted Illumination: 12V 10W Halogen Lamp 
  
  **Optical Specifications - Model AY11228**
  
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              [html]<thead><tr><td>Total Magnification</td><td>Objective | Magnification</td><td>Eyepiece Magnification & Field Diameter ( mm )</td><td>Working Distance</td></tr></thead><tbody><tr><td>20x, 40x</td><td>2x, 4x</td><td>Wide Field 10 ×, 20mm</td><td>90mm</td></tr></tbody>
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