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        ol objective 20 x plcn olympus    
    
    
                
                                                        
                
                    
        Specifications:
 
| Optics | 
| Image scale  | 20x | 
| Field curvature | Plan | 
| Cover glass correction | yes (0.17 mm) | 
| Colour correction | achromatic | 
| Suspension | no | 
| Immersion lens | no | 
| infinity corrected | yes | 
| Optical system | infinity | 
| Capacity | 
| Numerical aperture | 0.4 | 
| Image scale | 20 | 
| Magnification | 20x | 
| Mechanics | 
| Working distance (mm) | 1.2 | 
| General | 
| Series | PLCN | 
| Miscellaneous | 
| supplier product number | N4239100 |